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- dnl# -*- sh -*-
- dnl# the "configure" script is made from this by running GNU "autoconf"
- dnl#
- dnl# "$Id: configure.in,v 1.33.2.5 1999/08/09 13:35:04 mike 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 '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 1.33.2.5 1999/08/09 13:35:04 mike Exp $".
- dnl#
-