bb2ac233c6
needed for updating the version numbers automatically, and I've gotten update conflicts on several occasions. The other files (fltk-config, etc.) are still generated by autoconf. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1800 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
585 lines
15 KiB
Bash
585 lines
15 KiB
Bash
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 1.33.2.31.2.34 2001/12/03 18:57:45 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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dnl Required file in package...
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AC_INIT(src/Fl.cxx)
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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}.${FL_MINOR_VERSION}
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AC_SUBST(FL_MAJOR_VERSION)
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AC_SUBST(FL_MINOR_VERSION)
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AC_SUBST(FL_PATCH_VERSION)
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AC_SUBST(FL_RELEASE_VERSION)
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AC_SUBST(FL_API_VERSION)
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dnl How do we make libraries?
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AC_PROG_RANLIB
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AC_PATH_PROG(AR, ar)
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if test "$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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dnl Get the operating system and version number...
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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 $uname = IRIX64; then
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uname="IRIX"
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fi
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dnl Clear debugging flags and only enable debugging if the user asks for
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dnl it.
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DEBUGFLAG=""
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PICFLAG=0
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CFLAGS="${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 $DEBUGFLAG -o"
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;;
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esac
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fi])
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AC_PROG_CC
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AC_PROG_CXX
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dnl AC_PROG_INSTALL
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AC_PATH_PROG(NROFF,nroff)
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if test "$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 "$uversion" = "1020"; then
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AC_MSG_WARN(Not using built-in snprintf function because you are running HP-UX 10.20.)
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else
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AC_DEFINE(HAVE_SNPRINTF)
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fi)
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AC_CHECK_FUNCS(vsprintf)
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AC_CHECK_HEADER(strings.h, AC_DEFINE(HAVE_STRINGS_H))
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AC_CHECK_FUNCS(strcasecmp)
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dnl FLTK library uses math library functions...
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AC_SEARCH_LIBS(pow, m)
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dnl Check for image libraries...
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SAVELIBS="$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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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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HLINKS="#"
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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 $GLLIB")
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else
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LINKFLTKGL=""
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GLLIBNAME=""
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GLDSONAME=""
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GLDEMOS=""
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fi
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;;
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Darwin*)
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# MacOS X uses Carbon for graphics...
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LIBS="$LIBS -framework Carbon -framework ApplicationServices"
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if test x$enable_gl != xno; then
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AC_DEFINE(HAVE_GL)
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AC_DEFINE(HAVE_GL_GLU_H)
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GLLIB="-framework OpenGL"
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else
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LINKFLTKGL=""
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GLLIBNAME=""
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GLDSONAME=""
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GLDEMOS=""
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fi
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;;
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*)
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dnl Check for X11...
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AC_PATH_XTRA
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if test x$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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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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OLDCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fpermissive"
|
|
AC_TRY_COMPILE(,,
|
|
OPTIM="$OPTIM -fpermissive"
|
|
AC_MSG_RESULT(yes),
|
|
AC_MSG_RESULT(no))
|
|
CFLAGS="$OLDCFLAGS"
|
|
fi
|
|
else
|
|
case `(uname) 2>/dev/null` in
|
|
IRIX*)
|
|
# Running some flavor of IRIX; see which version and
|
|
# set things up according...
|
|
if test "$uversion" -ge 62; then
|
|
# We are running IRIX 6.2 or higher; uncomment the following
|
|
# lines if you don't have IDO 7.2 or higher:
|
|
#
|
|
# CXX="CC -n32 -mips3"
|
|
# CC="cc -n32 -mips3"
|
|
# LD="ld -n32 -mips3"
|
|
# MAKEDEPEND="CC -M"
|
|
|
|
if test "x`grep abi=n32 /etc/compiler.defaults`" = x; then
|
|
AC_MSG_WARN(FOR BEST RESULTS BEFORE COMPILING: setenv SGI_ABI \"-n32 -mips3\")
|
|
fi
|
|
|
|
CFLAGS="-fullwarn $CFLAGS"
|
|
CXXFLAGS="-fullwarn $CXXFLAGS"
|
|
else
|
|
CXXFLAGS="+w +pp $CXXFLAGS"
|
|
fi
|
|
if test -z "$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 1.33.2.31.2.34 2001/12/03 18:57:45 easysw Exp $".
|
|
dnl
|