00ef77c267
Add on-line help to FLUID. Change ALT shortcuts to CTRL shortcuts. Update config script to set documentation directory in config.h. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1572 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
450 lines
12 KiB
Bash
450 lines
12 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 1.33.2.31.2.7 2001/08/11 16:09:26 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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AC_INIT(src/Fl.cxx)
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AC_PROG_RANLIB
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LINKFLTK="-lfltk"
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LINKFLTKGL="-lfltkgl"
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GLDEMOS="gldemos"
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LIBNAME="../lib/libfltk.a"
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GLLIBNAME="../lib/libfltkgl.a"
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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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dnl Get the operating system and version number...
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uname=`uname`
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uversion=`uname -r | sed -e 's/-.*$//g;s/[\.]//g'`
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if test "$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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AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [default=no]],[if eval "test x$enable_debug = xyes"; then
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DEBUGFLAG="-g "
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fi])
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AC_ARG_ENABLE(gl, [ --enable-gl turn on OpenGL support [default=yes]])
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AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [default=no]],[
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if eval "test x$enable_shared = xyes"; then
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PICFLAG=1
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case $uname in
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SunOS* | UNIX_S*)
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DSONAME="libfltk.so.1.1"
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GLDSONAME="libfltkgl.so.1.1"
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DSOCOMMAND="\$(CXX) -h \$@ \$(LDLIBS) -G $DEBUGFLAG -o"
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;;
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HP-UX*)
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DSONAME="libfltk.sl.1.1"
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GLDSONAME="libfltkgl.sl.1.1"
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DSOCOMMAND="ld -b -z +h \$@ $DEBUGFLAG -o"
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;;
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IRIX* | OSF1*)
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DSONAME="libfltk.so.1.1"
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GLDSONAME="libfltkgl.so.1.1"
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DSOCOMMAND="\$(CXX) -Wl,-soname,\$@ \$(LDLIBS) -shared $DEBUGFLAG -o"
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;;
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FreeBSD* | NetBSD* | OpenBSD*)
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DSONAME="libfltk.so.1.1"
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GLDSONAME="libfltkgl.so.1.1"
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DSOCOMMAND="\$(CXX) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o"
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;;
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AIX*)
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DSONAME="libfltk_s.a"
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GLDSONAME="libfltkgl_s.a"
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DSOCOMMAND="\$(CXX) -Wl,-bexpall,-bM:SRE,-bnoentry -o"
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;;
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*)
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echo "Warning: shared libraries may not be supported. Trying -shared"
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echo " option with compiler."
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DSONAME="libfltk.so.1.1"
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GLDSONAME="libfltkgl.so.1.1"
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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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echo 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 "$uversion" = "1020"; then
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echo Not using built-in vsnprintf function because you are running HP-UX 10.20.
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else
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AC_DEFINE(HAVE_VSNPRINTF)
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fi)
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AC_CHECK_FUNC(snprintf,
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if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then
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echo Not using built-in snprintf function because you are running HP-UX 10.20.
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else
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AC_DEFINE(HAVE_SNPRINTF)
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fi)
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AC_CHECK_FUNCS(vsprintf)
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AC_CHECK_HEADER(strings.h,AC_DEFINE(HAVE_STRINGS_H))
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AC_CHECK_FUNCS(strcasecmp)
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dnl Check for image libraries...
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SAVELIBS="$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="$LIBS -lz"))
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dnl PNG library uses math library functions...
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AC_CHECK_LIB(m, pow)
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AC_CHECK_HEADER(png.h,
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AC_CHECK_LIB(png, png_read_rows,
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AC_DEFINE(HAVE_LIBPNG)
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IMAGELIBS="-lpng -lm$IMAGELIBS"
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LIBS="-lpng -lm $LIBS"
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AC_CHECK_FUNCS(png_get_valid)))
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dnl Restore original LIBS settings...
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LIBS="$SAVELIBS"
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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$X_LIBS"
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CFLAGS="$CFLAGS$X_CFLAGS"
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CXXFLAGS="$CXXFLAGS$X_CFLAGS"
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ac_cpp="$ac_cpp -I$x_includes"
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dnl Check for OpenGL unless disabled...
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GLLIB=
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if test x$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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-lX11 -lXext $X_EXTRA_LIBS -lm), \
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-lX11 -lXext $X_EXTRA_LIBS -lm)
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)
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AC_CHECK_HEADER(GL/glu.h,
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AC_DEFINE(HAVE_GL_GLU_H)
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if test x$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; 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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AC_SUBST(GLDEMOS)
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AC_SUBST(GLLIB)
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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 "$uname" != "SunOS"; then
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AC_DEFINE(HAVE_XDBE)
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fi)
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dnl Check for overlay visuals...
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AC_CACHE_CHECK("for X overlay visuals", ac_cv_have_overlay,
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if xprop -root 2>/dev/null | grep -c "SERVER_OVERLAY_VISUALS" >/dev/null; then
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ac_cv_have_overlay=yes
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else
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ac_cv_have_overlay=no
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fi)
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if test x$ac_cv_have_overlay = xyes; then
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AC_DEFINE(HAVE_OVERLAY)
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fi
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dnl Figure out the appropriate formatted man page extension...
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case "$uname" in
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FreeBSD* | NetBSD* | OpenBSD*)
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# *BSD
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CAT1EXT=0
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CAT3EXT=0
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;;
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IRIX*)
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# SGI IRIX
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CAT1EXT=z
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CAT3EXT=z
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;;
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*)
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# All others
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CAT1EXT=1
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CAT3EXT=3
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;;
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esac
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AC_SUBST(CAT1EXT)
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AC_SUBST(CAT3EXT)
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dnl Fix "mandir" variable...
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if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/usr"; then
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case "$uname" in
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FreeBSD* | NetBSD* | OpenBSD*)
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# *BSD
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mandir="/usr/share/man"
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;;
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IRIX*)
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# SGI IRIX
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mandir="/usr/share/catman"
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;;
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*)
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# All others
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mandir="/usr/man"
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;;
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esac
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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 "$GXX"; then
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# Use gcc instead of c++ or g++, since we don't need the C++
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# library to depend on... Note that this doesn't work with
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# GCC 3.0, but then again not much *does* work with GCC 3.0...
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CXX="$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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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 $CXXFLAGS"
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fi
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# See if GCC supports -fno-exceptions...
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AC_MSG_CHECKING(Testing if GCC supports -fno-exceptions...)
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OLDCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fno-exceptions"
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AC_TRY_COMPILE(,,
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CXXFLAGS="$CXXFLAGS -fno-exceptions"
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AC_MSG_RESULT(yes; disabling them for FLTK...),
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CFLAGS="$OLDCFLAGS"
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AC_MSG_RESULT(no))
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# See if we are running Solaris; if so, try the -fpermissive option...
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if test $uname = SunOS; then
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AC_MSG_CHECKING(Testing if GCC supports -fpermissive...)
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OLDCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fpermissive"
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AC_TRY_COMPILE(,,
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CXXFLAGS="$CXXFLAGS -fpermissive"
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AC_MSG_RESULT(yes),
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CFLAGS="$OLDCFLAGS"
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AC_MSG_RESULT(no))
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fi
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else
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case `(uname) 2>/dev/null` in
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IRIX*)
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# Running some flavor of IRIX; see which version and
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# set things up according...
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if test "$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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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 $CXXFLAGS"
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fi
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if test -z "$DEBUGFLAG"; then
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CFLAGS="-O2 $CFLAGS"
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CXXFLAGS="-O2 $CXXFLAGS"
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fi
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;;
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HP-UX*)
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# Running HP-UX; these options should work for the HP compilers.
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if test -z "$DEBUGFLAG"; then
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CFLAGS="+O2 $CFLAGS"
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CXXFLAGS="+O2 +W336,501,736,740,749,829 $CXXFLAGS"
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fi
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CFLAGS="+DAportable $CFLAGS"
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CXXFLAGS="+DAportable $CXXFLAGS"
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;;
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SunOS*)
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# Solaris
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if test -z "$DEBUGFLAG"; then
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CFLAGS="-xO3"
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CXXFLAGS="-xO3"
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fi
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if test $PICFLAG = 1; then
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CFLAGS="-KPIC $CFLAGS"
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CXXFLAGS="-PIC $CXXFLAGS"
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fi
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;;
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AIX*)
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if test -z "$DEBUGFLAG"; then
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CFLAGS="-O2 $CFLAGS"
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CXXFLAGS="-O2 $CXXFLAGS"
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fi
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echo "WARNING: The AIX C and C++ compilers are known not to correctly"
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echo " compile the FLTK library. We recommend using GCC 2.95.2"
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echo " under AIX."
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;;
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*)
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# Running some other operating system; inform the user they
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# should contribute the necessary options to fltk-bugs@fltk.org...
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echo "Building FLTK with default compiler optimizations; contact"
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echo "fltk-bugs@fltk.org with uname and compiler options needed"
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echo "for your platform, or set the CFLAGS and CXXFLAGS options"
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echo "before running configure."
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;;
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esac
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fi
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CFLAGS="$DEBUGFLAG $CFLAGS"
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CXXFLAGS="$DEBUGFLAG $CXXFLAGS"
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AC_SUBST(DSOCOMMAND)
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AC_SUBST(DSONAME)
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AC_SUBST(GLDSONAME)
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AC_SUBST(GLLIBNAME)
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AC_SUBST(LIBCOMMAND)
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AC_SUBST(LIBNAME)
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AC_SUBST(LINKFLTKGL)
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AC_SUBST(LINKFLTK)
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AC_SUBST(MAKEDEPEND)
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if test x$prefix = xNONE; then
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AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "/usr/local/share/doc/fltk")
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else
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AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "$prefix/share/doc/fltk")
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fi
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AC_CONFIG_HEADER(config.h:configh.in)
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AC_OUTPUT(makeinclude)
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dnl
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dnl End of "$Id: configure.in,v 1.33.2.31.2.7 2001/08/11 16:09:26 easysw Exp $".
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dnl
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