mirror of https://github.com/fltk/fltk.git
FLTK - Fast Light Tool Kit - https://github.com/fltk/fltk - cross platform GUI development
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614 lines
16 KiB
614 lines
16 KiB
dnl -*- sh -*- |
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dnl the "configure" script is made from this by running GNU "autoconf" |
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dnl |
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dnl "$Id: configure.in,v 1.33.2.31.2.39 2001/12/09 20:26:24 easysw Exp $" |
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dnl |
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dnl Configuration script for the Fast Light Tool Kit (FLTK). |
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dnl |
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dnl Copyright 1998-2001 by Bill Spitzak and others. |
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dnl |
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dnl This library is free software; you can redistribute it and/or |
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dnl modify it under the terms of the GNU Library General Public |
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dnl License as published by the Free Software Foundation; either |
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dnl version 2 of the License, or (at your option) any later version. |
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dnl |
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dnl This library is distributed in the hope that it will be useful, |
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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dnl Library General Public License for more details. |
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dnl |
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dnl You should have received a copy of the GNU Library General Public |
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dnl License along with this library; if not, write to the Free Software |
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dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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dnl USA. |
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dnl |
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dnl Please report all bugs and problems to "fltk-bugs@fltk.org". |
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dnl |
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dnl We need at least autoconf 2.13... |
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AC_PREREQ(2.13) |
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|
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dnl Required file in package... |
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AC_INIT(src/Fl.cxx) |
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|
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dnl FLTK library versions... |
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FL_MAJOR_VERSION=1 |
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FL_MINOR_VERSION=1 |
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FL_PATCH_VERSION=0 |
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FL_RELEASE_VERSION=b6 |
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FL_API_VERSION=${FL_MAJOR_VERSION}.${FL_MINOR_VERSION} |
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AC_SUBST(FL_MAJOR_VERSION) |
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AC_SUBST(FL_MINOR_VERSION) |
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AC_SUBST(FL_PATCH_VERSION) |
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AC_SUBST(FL_RELEASE_VERSION) |
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AC_SUBST(FL_API_VERSION) |
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|
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dnl How do we make libraries? |
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AC_PROG_RANLIB |
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AC_PATH_PROG(AR, ar) |
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if test "$RANLIB" != ":"; then |
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LIBCOMMAND="$AR cr" |
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else |
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LIBCOMMAND="$AR crs" |
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fi |
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DSOCOMMAND="echo" |
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DSONAME="" |
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LINKFLTK="-lfltk" |
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LINKFLTKGL="-lfltk_gl" |
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GLDEMOS="gldemos" |
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LIBNAME="../lib/libfltk.a" |
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GLLIBNAME="../lib/libfltk_gl.a" |
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|
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dnl Get the operating system and version number... |
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|
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uname=`uname` |
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uversion=`uname -r | sed -e '1,$s/[[^0-9]]//g'` |
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if test $uname = IRIX64; then |
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uname="IRIX" |
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fi |
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|
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dnl Clear debugging flags and only enable debugging if the user asks for |
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dnl it. |
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DEBUGFLAG="" |
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PICFLAG=0 |
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CFLAGS="${CFLAGS:=}" |
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CXXFLAGS="${CXXFLAGS:=}" |
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case $uname in |
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CYGWIN*) |
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AC_ARG_ENABLE(cygwin, [ --enable-cygwin use the CygWin libraries [default=yes]], |
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[if test x$enable_cygwin = xno; then |
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CPPFLAGS="$CPPFLAGS -mno-cygwin" |
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CFLAGS="$CFLAGS -mno-cygwin" |
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CXXFLAGS="$CXXFLAGS -mno-cygwin" |
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fi]) |
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;; |
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esac |
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AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [default=no]], |
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[if eval "test x$enable_debug = xyes"; then |
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DEBUGFLAG="-g " |
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fi]) |
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AC_ARG_ENABLE(gl, [ --enable-gl turn on OpenGL support [default=yes]]) |
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AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [default=no]],[ |
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DSOLINK="" |
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AC_SUBST(DSOLINK) |
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if test x$enable_shared = xyes; then |
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PICFLAG=1 |
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case $uname in |
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*BSD* | Darwin*) |
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DSONAME="libfltk.$FL_API_VERSION.dylib" |
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GLDSONAME="libfltk_gl.$FL_API_VERSION.dylib" |
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DSOCOMMAND="ld $DSOFLAGS -dylib /usr/lib/dylib1.o -lc" |
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if test "$libdir" != "/usr/lib"; then |
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DSOLINK="-Wl,-rpath,$libdir" |
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fi |
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;; |
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SunOS* | UNIX_S*) |
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DSONAME="libfltk.so.$FL_API_VERSION" |
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GLDSONAME="libfltk_gl.so.$FL_API_VERSION" |
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DSOCOMMAND="\$(CXX) -h \$@ \$(LDLIBS) -G $DEBUGFLAG -o" |
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if test "$libdir" != "/usr/lib"; then |
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DSOLINK="-R$libdir" |
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fi |
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;; |
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HP-UX*) |
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DSONAME="libfltk.sl.$FL_API_VERSION" |
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GLDSONAME="libfltk_gl.sl.$FL_API_VERSION" |
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DSOCOMMAND="ld -b -z +h \$@ $DEBUGFLAG -o" |
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if test "$libdir" != "/usr/lib"; then |
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DSOLINK="-Wl,-rpath,$libdir" |
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fi |
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;; |
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IRIX* | OSF1*) |
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DSONAME="libfltk.so.$FL_API_VERSION" |
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GLDSONAME="libfltk_gl.so.$FL_API_VERSION" |
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DSOCOMMAND="\$(CXX) -Wl,-soname,\$@ \$(LDLIBS) -shared $DEBUGFLAG -o" |
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if test "$libdir" != "/usr/lib" - a "$libdir" != "/usr/lib32"; then |
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DSOLINK="-Wl,-rpath,$libdir" |
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fi |
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;; |
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FreeBSD* | NetBSD* | OpenBSD* | Linux*) |
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DSONAME="libfltk.so.$FL_API_VERSION" |
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GLDSONAME="libfltk_gl.so.$FL_API_VERSION" |
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DSOCOMMAND="\$(CXX) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o" |
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if test "$libdir" != "/usr/lib"; then |
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DSOLINK="-Wl,-rpath,$libdir" |
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fi |
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;; |
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AIX*) |
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DSONAME="libfltk_s.a" |
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GLDSONAME="libfltk_gl_s.a" |
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DSOCOMMAND="\$(CXX) -Wl,-bexpall,-bM:SRE,-bnoentry -o" |
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;; |
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CYGWIN*) |
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AC_MSG_WARN(Shared libraries are not supported under CygWin.) |
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;; |
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*) |
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AC_MSG_WARN(Shared libraries may not be supported. Trying -shared option with compiler.) |
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DSONAME="libfltk.so.$FL_API_VERSION" |
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GLDSONAME="libfltk_gl.so.$FL_API_VERSION" |
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DSOCOMMAND="\$(CXX) -Wl,-soname,\$@ \$(LDLIBS) -shared $DEBUGFLAG -o" |
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;; |
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esac |
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fi]) |
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AC_ARG_ENABLE(threads, [ --disable-threads disable multi-threading support],,enable_threads=yes) |
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AC_PROG_CC |
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AC_PROG_CXX |
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dnl AC_PROG_INSTALL |
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AC_PATH_PROG(NROFF,nroff) |
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if test "$NROFF" = ""; then |
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AC_PATH_PROG(GROFF,groff) |
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if test "$GROFF" = ""; then |
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NROFF="echo" |
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else |
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NROFF="$GROFF -T ascii" |
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fi |
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fi |
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AC_PATH_PROG(HTMLDOC,htmldoc) |
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AC_C_BIGENDIAN |
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AC_CHECK_SIZEOF(short, 2) |
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AC_CHECK_SIZEOF(int, 4) |
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AC_CHECK_SIZEOF(long, 4) |
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if test $ac_cv_sizeof_short -eq 2; then |
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AC_DEFINE(U16,unsigned short) |
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fi |
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if test $ac_cv_sizeof_int -eq 4; then |
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AC_DEFINE(U32,unsigned) |
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else |
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if test $ac_cv_sizeof_long -eq 4; then |
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AC_DEFINE(U32,unsigned long) |
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fi |
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fi |
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if test $ac_cv_sizeof_int -eq 8; then |
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AC_DEFINE(U64,unsigned) |
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else |
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if test $ac_cv_sizeof_long -eq 8; then |
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AC_DEFINE(U64,unsigned long) |
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fi |
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fi |
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AC_HEADER_DIRENT |
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AC_CHECK_HEADER(sys/select.h,AC_DEFINE(HAVE_SYS_SELECT_H)) |
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AC_CHECK_HEADER(sys/stdtypes.h,AC_DEFINE(HAVE_SYS_SELECT_H)) |
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AC_CHECK_FUNC(scandir, |
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if test "$uname" = SunOS -o "$uname" = QNX; then |
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AC_MSG_WARN(Not using $uname scandir emulation function.) |
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else |
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AC_DEFINE(HAVE_SCANDIR) |
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fi) |
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AC_CHECK_FUNC(vsnprintf, |
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if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then |
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AC_MSG_WARN(Not using built-in vsnprintf function because you are running HP-UX 10.20.) |
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else |
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AC_DEFINE(HAVE_VSNPRINTF) |
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fi) |
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AC_CHECK_FUNC(snprintf, |
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if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then |
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AC_MSG_WARN(Not using built-in snprintf function because you are running HP-UX 10.20.) |
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else |
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AC_DEFINE(HAVE_SNPRINTF) |
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fi) |
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AC_CHECK_FUNCS(vsprintf) |
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AC_CHECK_HEADER(strings.h, AC_DEFINE(HAVE_STRINGS_H)) |
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AC_CHECK_FUNCS(strcasecmp) |
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dnl FLTK library uses math library functions... |
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AC_SEARCH_LIBS(pow, m) |
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|
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dnl Check for image libraries... |
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SAVELIBS="$LIBS" |
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IMAGELIBS="" |
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AC_SUBST(IMAGELIBS) |
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AC_CHECK_HEADER(jpeglib.h, |
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AC_CHECK_LIB(jpeg, jpeg_destroy_decompress, |
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AC_DEFINE(HAVE_LIBJPEG) |
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IMAGELIBS="$IMAGELIBS -ljpeg")) |
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AC_CHECK_HEADER(zlib.h, |
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AC_CHECK_LIB(z, gzopen, |
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AC_DEFINE(HAVE_LIBZ) |
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IMAGELIBS="$IMAGELIBS -lz" |
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LIBS="$LIBS -lz")) |
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AC_CHECK_HEADER(png.h, |
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AC_CHECK_LIB(png, png_read_rows, |
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AC_DEFINE(HAVE_LIBPNG) |
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IMAGELIBS="-lpng $IMAGELIBS" |
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LIBS="-lpng $LIBS" |
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AC_CHECK_FUNCS(png_get_valid png_set_tRNS_to_alpha png_read_destroy))) |
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dnl Restore original LIBS settings... |
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LIBS="$SAVELIBS" |
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dnl See if we need a .exe extension on executables... |
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AC_EXEEXT |
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dnl Check for standard graphics API and OpenGL... |
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HLINKS= |
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dnl some environments need postprocessing (Darwin, MacOS) |
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POSTBUILD= |
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dnl Check for pthreads for multi-threaded apps... |
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if test "$enable_threads" = yes; then |
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AC_CHECK_HEADER(pthread.h, AC_DEFINE(HAVE_PTHREAD_H)) |
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AC_SEARCH_LIBS(pthread_create, pthread) |
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fi |
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case $uname in |
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CYGWIN*) |
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dnl Cygwin environment... |
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LIBS="$LIBS -mwindows -lwsock32" |
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CFLAGS="$CFLAGS -mwindows -DWIN32" |
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CXXFLAGS="$CXXFLAGS -mwindows -DWIN32" |
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if test x$enable_gl != xno; then |
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AC_CHECK_HEADER(GL/gl.h, |
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AC_DEFINE(HAVE_GL) |
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GLLIB="-lopengl32") |
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AC_CHECK_HEADER(GL/glu.h, |
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AC_DEFINE(HAVE_GL_GLU_H) |
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GLLIB="-lglu32 $GLLIB") |
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else |
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LINKFLTKGL="" |
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GLLIBNAME="" |
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GLDSONAME="" |
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GLDEMOS="" |
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fi |
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if test "x$ac_cv_search_pthread_create" != xno; then |
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AC_DEFINE(HAVE_PTHREAD) |
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fi |
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# Don't make symlinks since Windows is not case sensitive. |
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HLINKS="#" |
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;; |
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Darwin*) |
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# MacOS X uses Carbon for graphics... |
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LIBS="$LIBS -framework Carbon -framework ApplicationServices" |
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if test x$enable_gl != xno; then |
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AC_DEFINE(HAVE_GL) |
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AC_DEFINE(HAVE_GL_GLU_H) |
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GLLIB="-framework AGL -framework OpenGL" |
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else |
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LINKFLTKGL="" |
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GLLIBNAME="" |
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GLDSONAME="" |
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GLDEMOS="" |
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fi |
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# Don't make symlinks because HFS+ is not case sensitive... |
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HLINKS="#" |
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# Add a postbuild step after linking applications |
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POSTBUILD="/Developer/Tools/Rez -t APPL ../FL/mac.r -o \$@" |
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;; |
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*) |
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if test "x$ac_cv_search_pthread_create" != xno; then |
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AC_DEFINE(HAVE_PTHREAD) |
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fi |
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dnl Check for X11... |
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AC_PATH_XTRA |
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if test x$no_x = xyes; then |
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AC_MSG_ERROR(Configure could not find required X11 libraries, aborting.) |
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fi |
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if test "x$X_PRE_LIBS" != x; then |
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AC_MSG_WARN(Ignoring libraries \"$X_PRE_LIBS\" requested by configure.) |
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fi |
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LIBS="$LIBS -lXext -lX11 $X_EXTRA_LIBS" |
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CFLAGS="$CFLAGS$X_CFLAGS" |
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CXXFLAGS="$CXXFLAGS$X_CFLAGS" |
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LDFLAGS="$X_LIBS $LDFLAGS" |
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if test "x$x_includes" != x; then |
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ac_cpp="$ac_cpp -I$x_includes" |
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fi |
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dnl Check for OpenGL unless disabled... |
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GLLIB= |
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if test x$enable_gl != xno; then |
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AC_CHECK_HEADER(GL/gl.h, |
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AC_CHECK_LIB(GL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB="-lGL", \ |
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AC_CHECK_LIB(MesaGL,glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lMesaGL",,\ |
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-lm), \ |
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-lm) |
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) |
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AC_CHECK_HEADER(GL/glu.h, |
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AC_DEFINE(HAVE_GL_GLU_H) |
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if test x$ac_cv_lib_GL_glXMakeCurrent = xyes; then |
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GLLIB="-lGLU $GLLIB" |
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fi |
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if test x$ac_cv_lib_MesaGL_glXMakeCurrent = xyes; then |
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GLLIB="-lMesaGLU $GLLIB" |
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fi |
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) |
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if test x$ac_cv_lib_GL_glXMakeCurrent = xno -a x$ac_cv_lib_MesaGL_glXMakeCurrent = xno; then |
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LINKFLTKGL="" |
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GLLIBNAME="" |
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GLDSONAME="" |
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GLDEMOS="" |
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fi |
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else |
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LINKFLTKGL="" |
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GLLIBNAME="" |
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GLDSONAME="" |
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GLDEMOS="" |
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fi |
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dnl Check for the Xdbe extension... |
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AC_CHECK_HEADER(X11/extensions/Xdbe.h, \ |
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if test "$uname" != "SunOS"; then |
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AC_DEFINE(HAVE_XDBE) |
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fi) |
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dnl Check for overlay visuals... |
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AC_CACHE_CHECK("for X overlay visuals", ac_cv_have_overlay, |
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if xprop -root 2>/dev/null | grep -c "SERVER_OVERLAY_VISUALS" >/dev/null; then |
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ac_cv_have_overlay=yes |
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else |
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ac_cv_have_overlay=no |
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fi) |
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esac |
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AC_SUBST(HLINKS) |
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AC_SUBST(GLDEMOS) |
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AC_SUBST(GLLIB) |
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AC_SUBST(POSTBUILD) |
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dnl Figure out the appropriate formatted man page extension... |
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case "$uname" in |
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*BSD* | Darwin*) |
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# *BSD |
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CAT1EXT=0 |
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CAT3EXT=0 |
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;; |
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IRIX*) |
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# SGI IRIX |
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CAT1EXT=z |
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CAT3EXT=z |
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;; |
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*) |
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# All others |
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CAT1EXT=1 |
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CAT3EXT=3 |
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;; |
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esac |
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AC_SUBST(CAT1EXT) |
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AC_SUBST(CAT3EXT) |
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dnl Fix "mandir" variable... |
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if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/usr"; then |
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case "$uname" in |
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*BSD* | Darwin* | Linux*) |
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# *BSD, Darwin, and Linux |
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mandir="\${prefix}/share/man" |
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;; |
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IRIX*) |
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# SGI IRIX |
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mandir="\${prefix}/share/catman" |
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;; |
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esac |
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fi |
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dnl Fix "libdir" variable... |
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if test "$prefix" = NONE; then |
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prefix=/usr/local |
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fi |
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if test "$exec_prefix" = NONE; then |
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exec_prefix="$prefix" |
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fi |
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if test "$uname" = "IRIX" -a $uversion -ge 62 -a "$libdir" = "\${exec_prefix}/lib" -a "$exec_prefix" = "/usr"; then |
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libdir="/usr/lib32" |
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fi |
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dnl Add warnings to compiler switches: |
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dnl do this last so messing with switches does not break tests |
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MAKEDEPEND="\$(CXX) -M" |
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if test -n "$GXX"; then |
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# Starting with GCC 3.0, you must link C++ programs against either |
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# libstdc++ (shared by default), or libsupc++ (always static). If |
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# you care about binary portability between Linux distributions, |
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# you need to either 1) build your own GCC with static C++ libraries |
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# or 2) link using gcc and libsupc++. We choose the latter since |
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# FLTK doesn't (currently) use any of the stdc++ library. |
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# |
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# Also, GCC 3.0.x still has problems compiling some code. You may |
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# or may not have success with it. USE 3.0.x WITH EXTREME CAUTION! |
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# |
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# Previous versions of GCC do not have the reliance on the stdc++ |
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# or g++ libraries, so the extra supc++ library is not needed. |
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case "`$CXX --version`" in |
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3*) |
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AC_MSG_WARN(GCC 3.0.x is known to produce incorrect code - use with caution!) |
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LIBS="$LIBS -lsupc++" |
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;; |
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3.1*) |
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LIBS="$LIBS -lsupc++" |
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;; |
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esac |
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CXX="$CC" |
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CFLAGS="-Wall $CFLAGS" |
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CXXFLAGS="-Wall $CXXFLAGS" |
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if test -z "$DEBUGFLAG"; then |
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# |
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# Note: Can't use -fomit-frame-pointer - prevents tools like |
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# libsafe from working! |
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# |
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# Don't use -fforce-mem, -fforce-addr, or -fcaller-saves. |
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# They all seem to make either no difference or enlarge |
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# the code by a few hundred bytes. |
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# |
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# "-O2" seems to be the best compromise between speed and |
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# code size. "-O3" and higher seem to make no effective |
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# different in the speed of the code, but does bloat the |
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# library 10+%. |
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# |
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CFLAGS="-O2 $CFLAGS" |
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CXXFLAGS="-O2 $CXXFLAGS" |
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fi |
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if test $PICFLAG = 1; then |
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CFLAGS="-fPIC $CFLAGS" |
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CXXFLAGS="-fPIC $CXXFLAGS" |
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fi |
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# See if GCC supports -fno-exceptions... |
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AC_MSG_CHECKING(if GCC supports -fno-exceptions) |
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OLDCFLAGS="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-exceptions" |
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AC_TRY_COMPILE(,, |
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OPTIM="$OPTIM -fno-exceptions" |
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AC_MSG_RESULT(yes), |
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AC_MSG_RESULT(no)) |
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CFLAGS="$OLDCFLAGS" |
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# See if we are running Solaris; if so, try the -fpermissive option... |
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if test "$uname" = SunOS; then |
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AC_MSG_CHECKING(if GCC supports -fpermissive) |
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|
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OLDCFLAGS="$CFLAGS" |
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CFLAGS="$CFLAGS -fpermissive" |
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AC_TRY_COMPILE(,, |
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OPTIM="$OPTIM -fpermissive" |
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AC_MSG_RESULT(yes), |
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AC_MSG_RESULT(no)) |
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CFLAGS="$OLDCFLAGS" |
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fi |
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else |
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case `(uname) 2>/dev/null` in |
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IRIX*) |
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# Running some flavor of IRIX; see which version and |
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# set things up according... |
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if test "$uversion" -ge 62; then |
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# We are running IRIX 6.2 or higher; uncomment the following |
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# lines if you don't have IDO 7.2 or higher: |
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# |
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# CXX="CC -n32 -mips3" |
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# CC="cc -n32 -mips3" |
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# LD="ld -n32 -mips3" |
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# MAKEDEPEND="CC -M" |
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|
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if test "x`grep abi=n32 /etc/compiler.defaults`" = x; then |
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AC_MSG_WARN(FOR BEST RESULTS BEFORE COMPILING: setenv SGI_ABI \"-n32 -mips3\") |
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fi |
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CFLAGS="-fullwarn $CFLAGS" |
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CXXFLAGS="-fullwarn $CXXFLAGS" |
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else |
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CXXFLAGS="+w +pp $CXXFLAGS" |
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fi |
|
if test -z "$DEBUGFLAG"; then |
|
CFLAGS="-O2 $CFLAGS" |
|
CXXFLAGS="-O2 $CXXFLAGS" |
|
fi |
|
;; |
|
HP-UX*) |
|
# Running HP-UX; these options should work for the HP compilers. |
|
if test -z "$DEBUGFLAG"; then |
|
CFLAGS="+O2 $CFLAGS" |
|
CXXFLAGS="+O2 +W336,501,736,740,749,829 $CXXFLAGS" |
|
fi |
|
CFLAGS="+DAportable $CFLAGS" |
|
CXXFLAGS="+DAportable $CXXFLAGS" |
|
;; |
|
SunOS*) |
|
# Solaris |
|
if test -z "$DEBUGFLAG"; then |
|
CFLAGS="-xO3" |
|
CXXFLAGS="-xO3" |
|
fi |
|
if test $PICFLAG = 1; then |
|
CFLAGS="-KPIC $CFLAGS" |
|
CXXFLAGS="-PIC $CXXFLAGS" |
|
fi |
|
;; |
|
AIX*) |
|
if test -z "$DEBUGFLAG"; then |
|
CFLAGS="-O2 $CFLAGS" |
|
CXXFLAGS="-O2 $CXXFLAGS" |
|
fi |
|
AC_MSG_WARN(The AIX C and C++ compilers are known not to correctly compile the FLTK library.) |
|
;; |
|
*) |
|
# Running some other operating system; inform the user they |
|
# should contribute the necessary options to fltk-bugs@fltk.org... |
|
AC_MSG_WARN(Building FLTK with default compiler optimizations) |
|
AC_MSG_WARN(Contact fltk-bugs@fltk.org with uname and compiler options.) |
|
;; |
|
esac |
|
fi |
|
|
|
CFLAGS="$DEBUGFLAG $CFLAGS" |
|
CXXFLAGS="$DEBUGFLAG $CXXFLAGS" |
|
|
|
AC_SUBST(DSOCOMMAND) |
|
AC_SUBST(DSONAME) |
|
AC_SUBST(GLDSONAME) |
|
AC_SUBST(GLLIBNAME) |
|
AC_SUBST(LIBCOMMAND) |
|
AC_SUBST(LIBNAME) |
|
AC_SUBST(LINKFLTKGL) |
|
AC_SUBST(LINKFLTK) |
|
AC_SUBST(MAKEDEPEND) |
|
|
|
if test x$prefix = xNONE; then |
|
AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "/usr/local/share/doc/fltk") |
|
else |
|
AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "$prefix/share/doc/fltk") |
|
fi |
|
|
|
AC_CONFIG_HEADER(config.h:configh.in) |
|
AC_OUTPUT(makeinclude fltk.list fltk-config FL/Makefile) |
|
|
|
chmod +x fltk-config |
|
|
|
dnl |
|
dnl End of "$Id: configure.in,v 1.33.2.31.2.39 2001/12/09 20:26:24 easysw Exp $". |
|
dnl
|
|
|