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##
## This file is part of RGL
##
## use src/build/setversion.sh to update configure.ac
## Process this file with autoconf to produce a configure script.
## origin: src/build/autoconf/configure.ac.in
##
## $Id: configure.ac.in,v 1.11 2004/02/27 17:46:51 dadler Exp $
##
AC_PREREQ(2.50)
## ---[ VERSION ]-------------------------------------------------------------
AC_INIT([rgl], [0.64-13], [dadler@uni-goettingen.de])
AC_CONFIG_AUX_DIR(src/build/autoconf)
## ---[ check host ]----------------------------------------------------------
AC_CANONICAL_HOST
##
## ===[ X11 Port ]============================================================
##
## C language
CPPFLAGS=""
CFLAGS="-Wall -pedantic"
## C++ language
LIBS="-lstdc++"
CXXFLAGS="${CFLAGS} -fno-exceptions -fno-rtti"
## X11 backend
AC_PATH_X
if test x$no_x == xyes ; then
AC_MSG_ERROR([X11 not found, configure aborted.
reason: RGL requires X11 on non-win32 platforms.])
fi
LDFLAGS="${LDFLAGS} -L${x_libraries}"
LIBS="${LIBS} -lX11 -lXext"
CPPFLAGS="${CPPFLAGS} -I${x_includes}"
## OpenGL backend
AC_ARG_WITH(gl-includes,
[ --with-gl-includes=DIR specify location of OpenGL headers],
[CPPFLAGS="${CPPFLAGS} -I${withval}"]
)
AC_ARG_WITH(gl-libs,
[ --with-gl-libs=DIR specify location of OpenGL libs],
[LIBS="${LIBS} -L${withval}"]
)
AC_ARG_WITH(gl-libname,
[ --with-gl-libname=NAME specify Library name (defaults to "GL")],
[LIBS="${LIBS} -l${withval}"], [LIBS="${LIBS} -lGL"]
)
AC_ARG_WITH(glu-libname,
[ --with-glu-libname=NAME specify GLU Library name (defaults to "GLU")],
[LIBS="${LIBS} -l${withval}"], [LIBS="${LIBS} -lGLU"]
)
## LibPNG support
AC_ARG_ENABLE([libpng],
[ --disable-libpng compile without PNG image support]
)
AC_MSG_RESULT([$enable_libpng])
if test "x$enable_libpng" != "xno"; then
AC_ARG_ENABLE([libpng-config],
[ --disable-libpng-config disable libpng-config test and configuration]
)
if test "x$enable_libpng_config" != "xno"; then
AC_CHECK_PROG([HAVE_LIBPNG_CONFIG],[libpng-config],[yes],[no])
fi
if test "x$HAVE_LIBPNG_CONFIG" == "xyes" ; then
CPPFLAGS="${CPPFLAGS} -DHAVE_PNG_H `libpng-config --cppflags`"
CFLAGS="${CFLAGS} `libpng-config --cflags`"
LDFLAGS="${LDFLAGS} `libpng-config --ldflags`"
LIBS="${LIBS} `libpng-config --libs`"
else
TEST_DIRS="/usr/local /usr"
for I in $TEST_DIRS ; do
AC_MSG_CHECKING([libpng in $I])
if ( test -f $I/lib/libpng.so || test -f $I/lib/libpng.a ) &&
( test -f $I/include/png.h ) ; then
CPPFLAGS="${CPPFLAGS} -DHAVE_PNG_H -I${I}/include"
LDFLAGS="${LDFLAGS} -L${I}/lib"
LIBS="${LIBS} -lpng"
AC_MSG_RESULT([found])
else
AC_MSG_RESULT([not found])
fi
done
fi
fi
## Darwin/MacOS X stuff
if test `uname` = "Darwin" ; then
CPPFLAGS="${CPPFLAGS} -DDarwin"
CFLAGS="${CFLAGS} -DDarwin"
# Apple's OpenGL is different from the X11 one - it must be loaded *before* X11
if test -e /System/Library/Frameworks/OpenGL.framework ; then
CPPFLAGS="-I/System/Library/Frameworks/OpenGL.framework/Headers ${CPPFLAGS} -DNO_GL_PREFIX"
LIBS="-framework OpenGL ${LIBS}"
fi
# X11 must come *after* the OpenGL stuff
CPPFLAGS="${CPPFLAGS} -I/usr/X11R6/include"
fi
## Output
## AC_SUBST(PLATFORM_MODULES)
AC_SUBST(CPPFLAGS)
AC_SUBST(CFLAGS)
AC_SUBST(CXXFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(LIBS)
AC_SUBST(DEFS)
AC_OUTPUT(src/Makevars)
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