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simgear/configure.ac

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dnl Process this file with autoget.sh to produce a working configure
dnl script.
AC_INIT
AC_CONFIG_SRCDIR([simgear/bucket/newbucket.cxx])
dnl Require at least automake 2.52
AC_PREREQ(2.52)
dnl Initialize the automake stuff
AM_INIT_AUTOMAKE(SimGear, 0.3.10)
dnl Specify KAI C++ compiler and flags.
dnl Borrowed with slight modification from blitz distribution.
AC_ARG_WITH(cxx,
[ --with-cxx=COMPILER[:name-flags] set options for COMPILER (KCC)],
[case "$withval" in
KCC*) # KAI C++ http://www.kai.com/
echo "Configuring for KAI C++"
AC_SG_SET_COMPILER($withval,"KCC","--restrict --strict_warnings")
CXX_OPTIMIZE_FLAGS=="+K3 -O3"
CXX_DEBUG_FLAGS="-g +K0"
;;
esac
])
AC_MSG_CHECKING([CXX])
AC_MSG_RESULT([$CXX])
AC_MSG_CHECKING([CC])
AC_MSG_RESULT([$CC])
dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
dnl set the $host variable based on local machine/os
AC_CANONICAL_HOST
dnl Used on the Irix platform
case "${host}" in
*-*-irix*)
if test "x$CXX" = "xCC" -o "x$CXX" = "xccache CC"; then
AR="$CXX -ar"
ARFLAGS="-o"
CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility/MIPSpro740"
compatibility_DIR="compatibility"
MIPSpro_DIRS="MIPSpro740"
AC_MSG_CHECKING([for MIPSpro compiler version 7.4 or newer])
AC_TRY_RUN([
int main() {
if ( _COMPILER_VERSION < 740 ) {
return -1;
}
return 0;
}
], AC_MSG_RESULT(yes),
[ AC_MSG_RESULT(no)
CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility/MIPSpro721"
MIPSpro_DIRS="$(MIPSpro_DIRS) MIPSpro721"
AC_MSG_WARN([Using our own subset of the STL headers])
], AC_MSG_RESULT(yes))
AC_SUBST(MIPSpro_DIRS)
fi
;;
*)
AR="ar"
ARFLAGS="cru"
compatibility_DIR=
;;
esac
AC_SUBST(AR)
AC_SUBST(ARFLAGS)
AC_SUBST(compatibility_DIR)
if echo $includedir | egrep "simgear$" > /dev/null; then
echo "includedir is" $includedir "libdir is" $libdir
else
includedir="${includedir}/simgear"
echo "includedir changed to" $includedir "libdir is" $libdir
fi
dnl set logging; default value of with_logging=yes
AC_ARG_WITH(logging, [ --with-logging Include logging output (default)])
if test "x$with_logging" = "xno" ; then
AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
fi
# Specify if we want to build with Norman's jpeg image server support.
# This requires libjpeg to be installed and available.
# Default to with_jpeg_server=no
JPEGLIB=''
AC_ARG_WITH(jpeg_factory, [ --with-jpeg-factory Include Norman's jpeg image factory support code])
if test "x$with_jpeg_factory" = "xyes" ; then
echo "Building with Norman's jpeg image factory support"
AC_CHECK_LIB(jpeg, jpeg_start_compress)
if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
echo
echo "In order to build the jpeg factory code you need libjpeg installed."
echo "otherwise please configure with the --with-jpeg-sever=no option"
echo
echo "libjpeg is available at :"
echo " ftp://ftp.uu.net in the directory graphics/jpeg"
exit 1
fi
else
echo "Building without Norman's jpeg image server support"
fi
AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$with_jpeg_factory" = "xyes")
# specify the plib location
AC_ARG_WITH(plib, [ --with-plib=PREFIX Specify the prefix path to plib])
if test "x$with_plib" != "x" ; then
echo "plib prefix is $with_plib"
EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
fi
# specify the osg location
AC_ARG_WITH(osg, [ --with-osg=PREFIX Specify the prefix path to osg])
if test "x$with_osg" != "x" ; then
echo "osg prefix is $with_osg"
EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
fi
dnl Determine an extra directories to add to include/lib search paths
case "${host}" in
*-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
echo no EXTRA_DIRS for $host
;;
*)
if test -d /usr/X11R6 ; then
EXTRA_DIR1="/usr/X11R6"
fi
if test -d /opt/X11R6 ; then
EXTRA_DIR2="/opt/X11R6"
fi
EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2"
;;
esac
wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
dnl Using AM_CONDITIONAL is a step out of the protected little
dnl automake fold so it is potentially dangerous. But, we are
dnl beginning to run into cases where the standard checks are not
dnl enough. AM_CONDITIONALS are then referenced to conditionally
dnl build a Makefile.in from a Makefile.am which lets us define custom
dnl includes, compile alternative source files, etc.
dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
dnl to use it if it is.
case "${host}" in
*-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
echo no fancy X11 check
;;
*)
AC_PATH_XTRA
;;
esac
dnl Checks for libraries.
dnl Thread related checks
AC_CHECK_HEADER(pthread.h)
AC_SEARCH_LIBS(pthread_exit, [pthread c_r])
if test "x$ac_cv_header_pthread_h" = "xyes"; then
CXXFLAGS="$CXXFLAGS -D_REENTRANT"
CFLAGS="$CFLAGS -D_REENTRANT"
if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
CXXFLAGS="-pthread $CXXFLAGS"
CFLAGS="-pthread $CFLAGS"
fi
fi
AM_CONDITIONAL(HAVE_THREADS, test "x$ac_cv_header_pthread_h" = "xyes")
thread_LIBS="$LIBS"
LIBS=""
dnl search for network related libraries
AC_SEARCH_LIBS(inet_addr, xnet)
AC_SEARCH_LIBS(socket, socket)
network_LIBS="$LIBS"
LIBS=""
dnl check for some default libraries
AC_SEARCH_LIBS(cos, m)
base_LIBS="$LIBS"
dnl check for OpenGL related libraries
case "${host}" in
*-*-cygwin* | *-*-mingw32*)
dnl CygWin under Windoze.
echo Win32 specific hacks...
AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
LIBS="$LIBS -lglu32 -lopengl32"
LIBS="$LIBS -luser32 -lgdi32 -lwinmm"
dnl add -lwsock32 for mingwin
case "${host}" in
*-*-mingw32*)
base_LIBS="$base_LIBS -lws2_32"
;;
esac
echo "Will link apps with $LIBS"
;;
*-apple-darwin*)
dnl Mac OS X
LIBS="$LIBS -framework OpenGL -framework Carbon -lobjc"
;;
*)
dnl X-Windows based machines
AC_SEARCH_LIBS(XCreateWindow, X11)
AC_SEARCH_LIBS(XShmCreateImage, Xext)
AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
AC_SEARCH_LIBS(IceOpenConnection, ICE)
AC_SEARCH_LIBS(SmcOpenConnection, SM)
AC_SEARCH_LIBS(XtMalloc, Xt)
AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
dnl if GLcore found, then also check for GL
AC_SEARCH_LIBS(glXCreateContext, GL)
fi
dnl if using mesa, check for xmesa.h
if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
AC_CHECK_HEADER(GL/fxmesa.h)
if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
AC_DEFINE([XMESA], 1, [Define for fxmesa])
AC_DEFINE([FX], 1, [Define for fxmesa])
fi
fi
AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
;;
esac
AC_SEARCH_LIBS(glutGetModifiers, [ glut glut32 freeglut ], have_glut=yes, have_glut=no)
AM_CONDITIONAL(HAVE_GLUT, test "x$have_glut" = "xyes")
opengl_LIBS="$LIBS"
LIBS="$base_LIBS"
dnl check for OpenAL libraries
OPENAL_OK="no"
ALUT_OK="no"
case "${host}" in
*-*-cygwin* | *-*-mingw32*)
dnl CygWin under Windoze.
INCLUDES="$INCLUDES -I/usr/local/include/"
LIBS="$LIBS -L/usr/local/lib"
AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal ] )
AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
openal_LIBS="$LIBS"
OPENAL_OK="$ac_cv_search_alGenBuffers"
ALUT_OK="$ac_cv_search_alutInit"
;;
*-apple-darwin*)
dnl Mac OS X
LIBS="$LIBS -framework IOKit -framework OpenAL"
openal_LIBS="$LIBS"
# not sure how to test if OpenAL exists on MacOS (does it come by default?)
OPENAL_OK="yes"
ALUT_OK="yes"
;;
*)
dnl default unix style machines
save_LIBS=$LIBS
LIBS="$LIBS $thread_LIBS"
AC_SEARCH_LIBS(alGenBuffers, openal)
AC_SEARCH_LIBS(alutInit, [ alut openal ] )
OPENAL_OK="$ac_cv_search_alGenBuffers"
ALUT_OK="$ac_cv_search_alutInit"
openal_LIBS="$LIBS"
LIBS=$save_LIBS
;;
esac
if test "$OPENAL_OK" == "no"; then
echo
echo "You *must* have the openal library installed on your system to build"
echo "SimGear!"
echo
echo "Please see README.OpenAL for more details."
echo
echo "configure aborted."
exit
fi
if test "$ALUT_OK" == "no"; then
echo
echo "You *must* have the alut library installed on your system to build"
echo "SimGear!"
echo
echo "Please see README.OpenAL for more details."
echo
echo "configure aborted."
exit
fi
LIBS="$base_LIBS"
AC_SUBST(base_LIBS)
AC_SUBST(openal_LIBS)
AC_SUBST(opengl_LIBS)
AC_SUBST(thread_LIBS)
AC_SUBST(network_LIBS)
dnl Check for MS Windows environment
AC_CHECK_HEADER(windows.h)
AM_CONDITIONAL(EXTGL_NEEDED, test "x$ac_cv_header_windows_h" = "xyes")
# The following are C++ items that need to be tested for with the c++
# compiler
AC_LANG_PUSH(C++)
dnl Check for "plib" without which we cannot go on
AC_CHECK_HEADER(plib/ul.h)
if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
echo
echo "You *must* have the plib library installed on your system to build"
echo "SimGear!"
echo
echo "Please see README.plib for more details."
echo
echo "configure aborted."
exit
fi
AC_MSG_CHECKING([for plib 1.8.4 or newer])
AC_TRY_RUN([
#include <plib/ul.h>
#define MIN_PLIB_VERSION 184
int main() {
int major, minor, micro;
if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
return -1;
}
return 0;
}
],
AC_MSG_RESULT(yes),
[AC_MSG_RESULT(wrong version);
AC_MSG_ERROR([Install plib 1.8.4 or later first...])],
AC_MSG_RESULT(yes)
)
LIBS="$saved_LIBS"
AC_CHECK_HEADER(osg/Version)
if test "x$ac_cv_header_osg_Version" != "xyes"; then
echo
echo "You *must* have the OpenSceneGraph support library installed on your system"
echo "to build this version of SimGear!"
echo
echo "Please see README.OSG for more details."
echo
echo "configure aborted."
exit
fi
AC_LANG_POP
dnl Check for system installed zlib
AC_CHECK_HEADER(zlib.h)
if test "x$ac_cv_header_zlib_h" != "xyes"; then
echo
echo "zlib library not found."
echo
echo "If your OS does not provide an installable package for zlib"
echo "you will have to compile and install it first yourself. A copy"
echo "of zlib-1.1.4.tar.gz is included with SimGear. You will"
echo "have to untar this source code, and follow its included instructions"
echo "to compile and install on your system."
echo
echo "configure aborted."
echo
fi
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS( \
fcntl.h getopt.h malloc.h memory.h stdint.h stdlib.h sys/param.h \
sys/stat.h sys/time.h sys/timeb.h unistd.h values.h )
if test "x$ac_cv_header_stdint_h" = "xyes"; then
AC_DEFINE([HAVE_STDINT_H], 1, [Define if stdint.h exists])
fi
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_TYPE_MODE_T
AC_HEADER_TIME
AC_STRUCT_TM
dnl Checks for library functions.
old_LIBS=$LIBS
LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS( [ \
ftime gettimeofday timegm memcpy bcopy mktime strstr rand \
random drand48 setitimer getitimer signal GetLocalTime rint getrusage ] )
LIBS=$old_LIBS
AM_CONFIG_HEADER(simgear/simgear_config.h)
AC_CONFIG_FILES([ \
Makefile \
SimGear.spec \
simgear/Makefile \
simgear/version.h \
simgear/compatibility/Makefile \
simgear/compatibility/MIPSpro721/Makefile \
simgear/compatibility/MIPSpro740/Makefile \
simgear/bucket/Makefile \
simgear/debug/Makefile \
simgear/ephemeris/Makefile \
simgear/io/Makefile \
simgear/magvar/Makefile \
simgear/math/Makefile \
simgear/environment/Makefile \
simgear/misc/Makefile \
simgear/nasal/Makefile \
simgear/props/Makefile \
simgear/route/Makefile \
simgear/scene/Makefile \
simgear/scene/material/Makefile \
simgear/scene/model/Makefile \
simgear/scene/sky/Makefile \
simgear/scene/tgdb/Makefile \
simgear/scene/util/Makefile \
simgear/screen/Makefile \
simgear/serial/Makefile \
simgear/sound/Makefile \
simgear/structure/Makefile \
simgear/threads/Makefile \
simgear/timing/Makefile \
simgear/xml/Makefile \
])
AC_OUTPUT
echo ""
echo "Configure Summary"
echo "================="
echo "Prefix: $prefix"
if test "x$with_logging" != "x"; then
echo "Debug messages: $with_logging"
else
echo "Debug messages: yes"
fi
echo -n "Automake version: "
automake --version | head -1
if test "x$with_jpeg_factory" = "xyes"; then
echo "With JPEG Factory support"
else
echo "Without JPEG Factory support"
fi
if test "x$ac_cv_header_pthread_h" = "xyes"; then
echo "Threads: pthread lib found."
else
echo "Threads: no threads (pthread lib not found.)"
fi
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