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|
dnl# -*- sh -*-
dnl# the "configure" script is made from this by running GNU "autoconf"
dnl#
dnl# "$Id: configure.in,v 1.33.2.6 1999/10/19 04:50:32 bill Exp $"
dnl#
dnl# Configuration script for the Fast Light Tool Kit (FLTK).
dnl#
dnl# Copyright 1998-1999 by Bill Spitzak and others.
dnl#
dnl# This library is free software; you can redistribute it and/or
dnl# modify it under the terms of the GNU Library General Public
dnl# License as published by the Free Software Foundation; either
dnl# version 2 of the License, or (at your option) any later version.
dnl#
dnl# This library is distributed in the hope that it will be useful,
dnl# but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl# Library General Public License for more details.
dnl#
dnl# You should have received a copy of the GNU Library General Public
dnl# License along with this library; if not, write to the Free Software
dnl# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
dnl# USA.
dnl#
dnl# Please report all bugs and problems to "fltk-bugs@easysw.com".
dnl#
AC_INIT(src/Fl.cxx)
AC_PROG_RANLIB
LIBNAME="libfltk.a"
if test "$RANLIB" != ":"; then
LIBCOMMAND="ar cr"
else
LIBCOMMAND="ar crs"
fi
DSOCOMMAND="echo"
DSONAME=""
dnl# Get the operating system and version number...
uname=`uname`
uversion=`uname -r | sed -e 's/-.*$//g;s/\.//g'`
dnl# uversion=`uname -r | sed -e '1,$s/[[-.A-Za-z]]//g'`
if test "$uname" = "IRIX64"; then
uname="IRIX"
fi
dnl# Clear debugging flags and only enable debugging if the user asks for
dnl# it.
DEBUGFLAG=""
PICFLAG=0
CFLAGS="${CFLAGS:=}"
CXXFLAGS="${CXXFLAGS:=}"
AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [default=no]],[if eval "test x$enable_debug = xyes"; then
DEBUGFLAG="-g "
fi])
AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [default=no]],[
if eval "test x$enable_shared = xyes"; then
PICFLAG=1
case $uname in
SunOS* | UNIX_S*)
DSONAME="libfltk.so.1"
DSOCOMMAND="\$(CXX) -Wl,-h,libfltk.so.1 \$(LDLIBS) -G $DEBUGFLAG -o"
;;
HP-UX*)
DSONAME="libfltk.sl.1"
DSOCOMMAND="ld -b -z +h libfltk.sl.1 $DEBUGFLAG -o"
;;
OSF1*)
DSONAME="libfltk.so.1"
DSOCOMMAND="\$(CXX) -Wl,-soname,libfltk.so.1 \$(LDLIBS) -shared $DEBUGFLAG -o"
;;
IRIX*)
DSONAME="libfltk.so.1"
DSOCOMMAND="\$(CXX) -soname libfltk.so.1 \$(LDLIBS) -shared $DEBUGFLAG -o"
;;
*)
echo "Warning: shared libraries may not be supported. Trying -shared"
echo " option with compiler."
DSONAME="libfltk.so.1"
DSOCOMMAND="\$(CXX) -Wl,-soname,libfltk.so.1 \$(LDLIBS) -shared $DEBUGFLAG -o"
;;
esac
fi])
AC_PROG_CC
AC_PROG_CXX
dnl# AC_PROG_INSTALL
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
if test $ac_cv_sizeof_short -eq 2; then
AC_DEFINE(U16,unsigned short)
fi
if test $ac_cv_sizeof_int -eq 4; then
AC_DEFINE(U32,unsigned)
else
if test $ac_cv_sizeof_long -eq 4; then
AC_DEFINE(U32,unsigned long)
fi
fi
if test $ac_cv_sizeof_int -eq 8; then
AC_DEFINE(U64,unsigned)
else
if test $ac_cv_sizeof_long -eq 8; then
AC_DEFINE(U64,unsigned long)
fi
fi
AC_HEADER_DIRENT
AC_CHECK_HEADER(sys/select.h)
AC_CHECK_FUNC(scandir,
if test "$uname" = "SunOS"; then
echo Not using Solaris scandir BSD emulation function.
else
AC_DEFINE(HAVE_SCANDIR)
fi)
AC_CHECK_FUNC(vsnprintf,
if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then
echo Not using built-in vsnprintf function because you are running HP-UX 10.20.
else
AC_DEFINE(HAVE_VSNPRINTF)
fi)
AC_CHECK_FUNC(snprintf,
if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then
echo Not using built-in snprintf function because you are running HP-UX 10.20.
else
AC_DEFINE(HAVE_SNPRINTF)
fi)
AC_CHECK_FUNCS(vsprintf)
AC_PATH_XTRA
echo "Ignoring libraries \"$X_PRE_LIBS\" requested by configure."
dnl# LIBS="$LIBS$X_LIBS$X_PRE_LIBS"
LIBS="$LIBS$X_LIBS"
CFLAGS="$CFLAGS $X_CFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
dnl# My test to see if OpenGL is on this machine:
GLLIB=
AC_CHECK_LIB(GL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lGLU -lGL", \
AC_CHECK_LIB(MesaGL,glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lMesaGLU -lMesaGL",,\
-lX11 -lXext $X_EXTRA_LIBS -lm), \
-lX11 -lXext $X_EXTRA_LIBS -lm)
AC_SUBST(GLLIB)
AC_CHECK_HEADER(X11/extensions/Xdbe.h, \
if test "$uname" != "SunOS"; then
AC_DEFINE(HAVE_XDBE)
fi)
AC_CACHE_CHECK("for X overlay visuals", ac_cv_have_overlay,
if xprop -root 2>/dev/null | grep -c "SERVER_OVERLAY_VISUALS" >/dev/null; then
ac_cv_have_overlay=yes
else
ac_cv_have_overlay=no
fi)
if test "$ac_cv_have_overlay" = yes; then
AC_DEFINE(HAVE_OVERLAY)
fi
MAKEDEPEND="\$(CXX) -M"
dnl# add warnings to compiler switches:
dnl# do this last so messing with switches does not break tests
if test -n "$GXX"; then
CFLAGS="-Wall $CFLAGS"
CXXFLAGS="-Wall -Wno-return-type $CXXFLAGS"
if test -z "$DEBUGFLAG"; then
CFLAGS="-O2 $CFLAGS"
CXXFLAGS="-O2 $CXXFLAGS"
fi
if test $PICFLAG = 1; then
CFLAGS="-fPIC $CFLAGS"
CXXFLAGS="-fPIC $CXXFLAGS"
fi
else
case `(uname) 2>/dev/null` in
IRIX*)
# Running some flavor of IRIX; see which version and
# set things up according...
if test "$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"
# CC="cc -n32"
# LD="ld -n32"
# MAKEDEPEND="CC -M"
echo "FOR BEST RESULTS BEFORE COMPILING: setenv SGI_ABI -n32"
# -woff 3322 is necessary due to errors in Xlib headers on IRIX
CFLAGS="-fullwarn $CFLAGS"
CXXFLAGS="-fullwarn -woff 1685,3322 $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 $CXXFLAGS"
fi
;;
SunOS*)
# Solaris
if test -z "$DEBUGFLAG"; then
CFLAGS="-O"
CXXFLAGS="-O"
fi
if test $PICFLAG = 1; then
CFLAGS="-KPIC $CFLAGS"
CXXFLAGS="-PIC $CXXFLAGS"
fi
;;
*)
# Running some other operating system; inform the user they
# should contribute the necessary options to fltk-bugs@easysw.com...
echo "Building FLTK with default compiler optimizations; contact"
echo "fltk-bugs@easysw.com with uname and compiler options needed"
echo "for your platform, or set the CFLAGS and CXXFLAGS options"
echo "before running configure."
;;
esac
fi
CFLAGS="$DEBUGFLAG $CFLAGS"
CXXFLAGS="$DEBUGFLAG $CXXFLAGS"
AC_SUBST(DSONAME)
AC_SUBST(DSOCOMMAND)
AC_SUBST(LIBNAME)
AC_SUBST(LIBCOMMAND)
AC_SUBST(MAKEDEPEND)
AC_CONFIG_HEADER(config.h:configh.in)
AC_OUTPUT(makeinclude)
dnl#
dnl# End of "$Id: configure.in,v 1.33.2.6 1999/10/19 04:50:32 bill Exp $".
dnl#
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