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configure.ac
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configure.ac
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dnl--------------------------------------------------------------------
dnl The MB-system: configure.ac 12/7/2011
dnl
dnl Copyright (c) 2011-2021 by
dnl D. W. Caress ([email protected])
dnl and D. N. Chayes ([email protected])
dnl Lamont-Doherty Earth Observatory
dnl Palisades, NY 10964
dnl
dnl See README file for copying and redistribution conditions.
dnl--------------------------------------------------------------------
dnl Initialize and set version and version date
AC_INIT([mbsystem],[5.7.9beta27],[http://listserver.mbari.org/sympa/arc/mbsystem],[mbsystem],[http://www.mbari.org/data/mbsystem/])
AC_DEFINE(VERSION_DATE, ["28 February 2022"], [Set VERSION_DATE define in mb_config.h])
AS_ECHO([" "])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" The MB-system: configure 12/7/2011"])
AS_ECHO([" "])
AS_ECHO([" Copyright (c) 2011-2021 by"])
AS_ECHO([" D. W. Caress ([email protected])"])
AS_ECHO([" and D. N. Chayes ([email protected])"])
AS_ECHO([" Lamont-Doherty Earth Observatory"])
AS_ECHO([" Palisades, NY 10964"])
AS_ECHO([" "])
AS_ECHO([" See README file for copying and redistribution conditions."])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" "])
AS_ECHO([" The initial version of the MB-System autoconf-based build system"])
AS_ECHO([" was contributed by Bob Covill on 7 December 2011. Further"])
AS_ECHO([" refinement of the build system involved contributions from"])
AS_ECHO([" Bob Covill, Kurt Schwehr, Hamish Bowman, David Caress, and"])
AS_ECHO([" Christian Ferreira."])
AS_ECHO([" "])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" To modify this build system..."])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" "])
AS_ECHO([" Edit the file configure.ac in the top directory and the files"])
AS_ECHO([" Makefile.am in each directory under src. Then run the following sequence"])
AS_ECHO([" of commands:"])
AS_ECHO([" "])
AS_ECHO([" # Build libtool files for LT_INIT"])
AS_ECHO([" libtoolize --force --copy"])
AS_ECHO([" aclocal"])
AS_ECHO([" "])
AS_ECHO([" # Build custom header for configure"])
AS_ECHO([" autoheader"])
AS_ECHO([" automake --add-missing --include-deps"])
AS_ECHO([" autoconf"])
AS_ECHO([" "])
AS_ECHO([" # To update configure files use the following:"])
AS_ECHO([" autoupdate"])
AS_ECHO([" autoreconf --force --install --warnings=all"])
AS_ECHO([" "])
AS_ECHO([" When you run ./configure, a number of configure options are saved to a"])
AS_ECHO([" header file:"])
AS_ECHO([" ./src/mbio/mb_config.h"])
AS_ECHO([" This file has a template:"])
AS_ECHO([" ./src/mbio/mb_config.h.in"])
AS_ECHO([" This file is conditionally included by:"])
AS_ECHO([" ./src/mbio/mb_define.h"])
AS_ECHO([" which is in turn included by almost every MB-System C source file."])
AS_ECHO([" "])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" To use the build system..."])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" To generate the makefiles needed to build MB-System, run ./configure"])
AS_ECHO([" with the options appropriate for your situation. These options are"])
AS_ECHO([" listed here:"])
AS_ECHO([" --prefix=install - location for mbsystem (/usr/local/mbsystem) (optional)"])
AS_ECHO([" --with-netcdf-config - location of NetCDF config script nc-config (optional)"])
AS_ECHO([" --with-gdal-config - location of GDAL config script gdal-config (optional)"])
AS_ECHO([" --with-gmt-config - location of GMT config script gmt-config (optional)"])
AS_ECHO([" --with-proj-lib - location of PROJ libs (optional)"])
AS_ECHO([" --with-proj-include - location of PROJ headers (optional)"])
AS_ECHO([" --with-fftw-lib - location of FFTW3 libs (optional)"])
AS_ECHO([" --with-fftw-include - location of FFTW3 headers (optional)"])
AS_ECHO([" --with-motif-lib - location of Motif libs (optional)"])
AS_ECHO([" --with-motif-include - location of Motif headers (optional)"])
AS_ECHO([" --with-opengl-lib - location of OpenGL libs (optional)"])
AS_ECHO([" --with-opengl-include - location of OpenGL headers (optional)"])
AS_ECHO([" --with-otps-dir - location of OTPS installation (optional)"])
AS_ECHO([" --with-opencv-lib - location of OpenCV libs (optional)"])
AS_ECHO([" --with-opencv-include - location of OpenCV headers (optional)"])
AS_ECHO([" --with-vtk-include - location of VTK8.2+ headers (required if qt enabled)"])
AS_ECHO([" --with-vtk-lib - location of VTK8.2+ libraries (required if qt enabled)"])
AS_ECHO([" --enable-opencv - enable building tools using OpenCV (optional)"])
AS_ECHO([" --enable-mbtrn - enable building terrain relative navigation (TRN) tools (optional)"])
AS_ECHO([" --enable-mbtnav - enable building terrain relative navigation (TRN) tools (optional)"])
AS_ECHO([" --disable-mbtools - disable building graphical tools (use with --enable-mbtrn and --enable-mbtnav)"])
AS_ECHO([" --enable-hardening - Enable compiler and linker options to frustrate memory corruption exploits (e.g. -fPIE and -pie) (optional)"])
AS_ECHO([" --enable-test - Enable building unit tests in test/ and third-party/"])
AS_ECHO([" --enable-qt - Enable building graphical tools using the Qt5 framework"])
AS_ECHO([" "])
AS_ECHO([" After configure you can run the make utility in the usual fashion"])
AS_ECHO([" make"])
AS_ECHO([" make install"])
AS_ECHO([" "])
AS_ECHO([" Some other useful make commands include: "])
AS_ECHO([" make clean (to clean up compiled code)"])
AS_ECHO([" make distclean (to clean up compiled code and configure output)"])
AS_ECHO([" make uninstall (to remove a previously installed version)"])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" "])
dnl Check system arch
AC_CANONICAL_HOST
AS_ECHO([" "])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO(["Configure will now attempt to construct the Makefiles required to build MB-System"])
AS_ECHO(["MB-System Version $PACKAGE_VERSION"])
AS_ECHO(["HOST System Type: ${host}"])
AS_ECHO(["Specified Installation Prefix: ${prefix}"])
AS_ECHO(["Default Installation Prefix: $ac_default_prefix"])
if test $prefix == "NONE" ; then
prefix=$ac_default_prefix
fi
AS_ECHO(["Used Installation Prefix: $prefix"])
AS_ECHO(["------------------------------------------------------------------------------"])
AS_ECHO([" "])
dnl Require automake 2.71 or later
AC_PREREQ([2.71])
dnl Disable warnings about unrecognized options
AC_DISABLE_OPTION_CHECKING
dnl Disable configure caching
define([AC_CACHE_LOAD], )
define([AC_CACHE_SAVE], )
AC_CONFIG_MACRO_DIR(m4)
AC_LANG(C)
dnl Require c++11
AX_CXX_COMPILE_STDCXX(11)
AM_INIT_AUTOMAKE([no-dist subdir-objects foreign])
AM_MAINTAINER_MODE
AC_CONFIG_HEADERS([src/mbio/mb_config.h])
dnl Check for programs
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_AWK
AM_PROG_AS
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_INIT
AC_PROG_SED
AC_SUBST([LIBTOOL_DEPS])
LT_LIB_M
AM_PATH_PYTHON([3.6],, [:])
AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
dnl Check Endian size
BYTESWAP=no
AC_C_BIGENDIAN([BYTESWAP=no], [BYTESWAP=yes],
AC_MSG_ERROR(Unknown endian state),
AC_MSG_ERROR(Universial endianness not supported)
)
if test BYTESWAP == "no" ; then
AC_DEFINE(ENDIAN_BIG, 1, [Machine is bigendian, (Byteswapping off)])
else
AC_DEFINE(BYTESWAPPED, 1, [Machine is littleendian, (Byteswapping on)])
fi
dnl Check for math library
AC_CHECK_LIB(m,exp,,)
dnl Check for pthread library
AC_CHECK_LIB(pthread,pthread_create,,)
dnl Check for gsincos() and sincos() functions
AC_CHECK_FUNCS(gsincos sincos,,)
dnl check for signed char
AC_TYPE_INT8_T
dnl check for malloc header
AC_CHECK_HEADER(malloc.h, AC_DEFINE(HAVE_MALLOC_H, 1, [Have malloc.h]))
dnl Parse host_os from CANONICAL and deterimine
dnl if solaris flag required
case "${host_os}" in
solaris*|sunos*) CFLAGS="${CFLAGS} -DSUN" ;;
*) AS_ECHO(["Build does not require -DSUN CFLAG"]) ;;
esac
dnl check for win32 flag
case "${host_os}" in
*mingw32*|cygwin*)
# AC_DEFINE(WIN32, 1, [Turned on WIN32 define in config])
AS_ECHO(["Identified WIN32 but with Cygwin - no WIN32 define added to mb_config.h"])
;;
*)
AS_ECHO(["Not WIN32 system"])
;;
esac
dnl Check for RPC and XDR headers needed by MBIO library
dnl If the headers have been placed in /usr/include/tirpc/rpc then modify CFLAGS and CPPFLAGS first
AC_CHECK_FILE(/usr/include/tirpc/rpc/rpc.h, RPC_IN_TIRPC=yes, RPC_IN_TIRPC=no)
if test "$RPC_IN_TIRPC" = "yes" ; then
CPPFLAGS="$CPPFLAGS -I/usr/include/tirpc"
CFLAGS="$CFLAGS -I/usr/include/tirpc"
fi
AC_CHECK_HEADER(rpc/rpc.h, [AC_DEFINE(HAVE_RPC_RPC_H, 1, [Have rpc/rpc.h])] [GOT_RPC=yes], [GOT_RPC=no])
dnl Check for WIN32 libraries
# AC_CHECK_LIB(uuid, main)
# AC_CHECK_LIB(ole32, main)
# AC_CHECK_LIB(gw32c, main)
# AC_CHECK_LIB(wsock32, main)
# AC_CHECK_LIB(ws2_32, main)
dnl Look for library containing the XDR functions
AC_CHECK_FUNC(xdrmem_create, XDR_LIB=, [
AC_CHECK_LIB(sun, xdrmem_create, XDR_LIB=-lsun, [
AC_CHECK_LIB(nsl, xdrmem_create, XDR_LIB=-lnsl, [
AC_CHECK_LIB(rpclib, xdrmem_create, XDR_LIB=-lrpclib, [
AC_CHECK_LIB(xdr, xdrmem_create, XDR_LIB=-lxdr, [
AC_CHECK_LIB(tirpc, xdrmem_create, XDR_LIB=-ltirpc, [
AC_CHECK_LIB(portablexdr, xdrmem_create, XDR_LIB=-lportablexdr,
[AC_MSG_ERROR([*** Unable to locate XDR functions.])], -lws2_32 )
])
])
])
])
])
])
AC_SUBST(XDR_LIB)
dnl--------------------------------------------------------------------
dnl Set up to check compiler support for specific flags.
dnl There is no way to make clang's "argument unused" warning fatal,
dnl so when using check_cc_cxx_flag and check_link_flag modify CC, CXX,
dnl and LD to invoke the compiler through a wrapper script called
dnl ./flag-check.sh that greps for this message (and then restore
dnl CC, CXX, and LD when done).
dnl--------------------------------------------------------------------
AC_DEFUN([check_cc_cxx_flag], [AC_LANG_PUSH(C) AX_CHECK_COMPILE_FLAG([$1],
[AC_LANG_PUSH(C) AX_CHECK_COMPILE_FLAG([$1], [$2], [$3], [-Werror $4])
AC_LANG_POP(C)], [$3], [-Werror $4]) AC_LANG_POP(C)])
AC_DEFUN([check_link_flag], [AX_CHECK_LINK_FLAG([$1], [$2], [$3], [-Werror $4])])
dnl--------------------------------------------------------------------
dnl Enable compiler and linker options to frustrate memory corruption exploits
dnl including generating Position Independent Executables (PIE)
dnl using --enable-hardening
dnl--------------------------------------------------------------------
dnl HARDENING START
dnl This is taken from https://github.com/kmcallister/autoharden
dnl With some very small modifications (to remove C++ checking for instance)
dnl made by https://git.insomnia247.nl/irc/unreal4/blob/unreal40/configure.ac
dnl
# Save the raw compiler names.
saved_CC="$CC"
saved_CXX="$CXX"
saved_LD="$LD"
flag_wrap="./flag-check.sh"
CC="$flag_wrap $CC"
CXX="$flag_wrap $CXX"
LD="$flag_wrap $LD"
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--enable-hardening],
[Enable compiler and linker options to frustrate memory corruption exploits @<:@yes@:>@])],
[hardening="$enableval"],
[hardening="no"])
HARDEN_CFLAGS=""
HARDEN_LDFLAGS=""
AS_ECHO(["Checking for hardening enabled.... $hardening"])
AS_IF([test x"$hardening" != x"no"], [
check_cc_cxx_flag([-fno-strict-overflow], [HARDEN_CFLAGS="$HARDEN_CFLAGS -fno-strict-overflow"])
# This one will likely succeed, even on platforms where it does nothing.
check_cc_cxx_flag([-D_FORTIFY_SOURCE=2], [HARDEN_CFLAGS="$HARDEN_CFLAGS -D_FORTIFY_SOURCE=2"])
check_cc_cxx_flag([-fstack-protector-all],
[check_link_flag([-fstack-protector-all],
[HARDEN_CFLAGS="$HARDEN_CFLAGS -fstack-protector-all"
check_cc_cxx_flag([-Wstack-protector], [HARDEN_CFLAGS="$HARDEN_CFLAGS -Wstack-protector"],
[], [-fstack-protector-all])
check_cc_cxx_flag([--param ssp-buffer-size=1], [HARDEN_CFLAGS="$HARDEN_CFLAGS --param ssp-buffer-size=1"],
[], [-fstack-protector-all])])])
# At the link step, we might want -pie (GCC) or -Wl,-pie (Clang on OS X)
#
# The linker checks also compile code, so we need to include -fPIE as well.
check_cc_cxx_flag([-fPIE],
[check_link_flag([-fPIE -pie],
[HARDEN_BINCFLAGS="-fPIE"
HARDEN_BINLDFLAGS="-pie"],
[check_link_flag([-fPIE -Wl,-pie],
[HARDEN_BINCFLAGS="-fPIE"
HARDEN_BINLDFLAGS="-Wl,-pie"])])])
check_link_flag([-Wl,-z,relro],
[HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-z,relro"
check_link_flag([-Wl,-z,now], [HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-z,now"])])
])
AC_SUBST([HARDEN_CFLAGS])
AC_SUBST([HARDEN_LDFLAGS])
AC_SUBST([HARDEN_BINCFLAGS])
AC_SUBST([HARDEN_BINLDFLAGS])
# End of flag tests.
CC="$saved_CC"
CXX="$saved_CXX"
LD="$saved_LD"
dnl HARDENING END
dnl--------------------------------------------------------------------
dnl Shared Data Section
dnl--------------------------------------------------------------------
dnl variables for shared data
mbsystemdatadir="$datadir/$PACKAGE"
AC_SUBST(mbsystemdatadir)
mbsystemhtmldir="$docdir/html"
AC_SUBST(mbsystemhtmldir)
mbsystempsdir="$docdir/ps"
AC_SUBST(mbsystempsdir)
dnl--------------------------------------------------------------------
dnl OTPS Section
dnl--------------------------------------------------------------------
dnl Use OTPS (OSU Tidal Prediction Software) location if specified with --with-otps-dir, use default otherwise
AS_ECHO(["Use OTPS (OSU Tidal Prediction Software) location if specified with --with-otps-dir, use default otherwise"])
OTPS_DIR="/usr/local/OTPS2"
AC_ARG_WITH(otps_dir, [ --with-otps-dir=DIR Location of OSU Tidal Prediction Software], [OTPS_DIR=${withval}])
AC_SUBST(OTPS_DIR)
dnl--------------------------------------------------------------------
dnl PROJ Section
dnl--------------------------------------------------------------------
dnl Check for PROJ library libproj
AS_ECHO(["Check for PROJ library libproj"])
GOT_PROJ=no
FOUND_PROJ_LIB=no
FOUND_PROJ6=no
FOUND_PROJ4=no
AC_ARG_WITH(proj-lib, [ --with-proj-lib=DIR Location of PROJ library],
[proj_libdir="${withval}"] [GOT_PROJ=yes], [GOT_PROJ=no])
if test "$GOT_PROJ" = "yes" ; then
dnl PROJ library location specified: $proj_libdir - check if libproj is there...
AS_ECHO(["PROJ library location specified: $proj_libdir - check if libproj is there..."])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -L$proj_libdir"
AC_CHECK_LIB([proj], [proj_normalize_for_visualization], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no], )
if test "$FOUND_PROJ_LIB" = "yes"; then
FOUND_PROJ6=yes
AS_ECHO(["Found PROJ library libproj from version 6.1 or later"])
else
AC_CHECK_LIB([proj], [pj_init_plus], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no], )
if test "$FOUND_PROJ_LIB" = "yes"; then
FOUND_PROJ4=yes
AS_ECHO(["Found PROJ library libproj with PROJ4 api available"])
fi
fi
if test "$FOUND_PROJ_LIB" = "no"; then
AC_MSG_ERROR([Did not find libproj according to --with-proj-lib - check the installation!])
fi
LDFLAGS="$save_LDFLAGS"
libproj_LIBS="-L$proj_libdir -R $proj_libdir -lproj"
libproj_LDFLAGS="-L$proj_libdir"
else
dnl Look for pkg-config PROJ package...
AS_ECHO(["Look for pkg-config PROJ package..."])
PKG_CHECK_MODULES([libproj], [proj], [FOUND_PROJ_PKG=yes], [FOUND_PROJ_PKG=no])
AC_CHECK_LIB([proj], [proj_normalize_for_visualization], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no], )
if test "$FOUND_PROJ_LIB" = "yes"; then
FOUND_PROJ6=yes
AS_ECHO(["Found PROJ library libproj from version 6.1 or later"])
else
AC_CHECK_LIB([proj], [pj_init_plus], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no], )
if test "$FOUND_PROJ_LIB" = "yes"; then
FOUND_PROJ4=yes
AS_ECHO(["Found PROJ library libproj with PROJ4 api available"])
fi
fi
dnl As of November 7 2021 there is different behavior on ARM than on Intel
dnl when building on MacOs. The PKG_CHECK_MODULES() macro will correctly find
dnl installation of proj using pkg-config. However, the AC_CHECK_LIB() macro
dnl works right on intel but not on ARM - it will fail to find either old or
dnl new proj functions on ARM (except it works right within homebrew...)
dnl Since the ARM case will always be using new proj, if the package is found
dnl and neither old nor new are identified, assume new. This complexity will
dnl hopefully not be needed always.
if test $FOUND_PROJ_PKG = "yes"; then
if test "$FOUND_PROJ_LIB" = "no"; then
dnl Proj pkg-config package exists, assume proj >= 6
FOUND_PROJ6=yes
FOUND_PROJ_LIB=yes
fi
else
AC_MSG_ERROR([Did not find PROJ library pkg-config package...])
fi
libproj_LIBS="-lproj"
libproj_LDFLAGS=""
fi
if test "$FOUND_PROJ_LIB" = "no" ; then
dnl Did not find PROJ library pkg-config package, looking in the other usual places...
AS_ECHO(["Did not find PROJ library pkg-config package, looking in the other usual places..."])
AC_CHECK_LIB([proj], [proj_normalize_for_visualization], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no],)
if test "$FOUND_PROJ_LIB" = "yes"; then
FOUND_PROJ6=yes
AS_ECHO(["Found PROJ library libproj from version 6.1 or later"])
else
AC_CHECK_LIB([proj], [pj_init_plus], [FOUND_PROJ_LIB=yes], [FOUND_PROJ_LIB=no], )
if test "$FOUND_PROJ_LIB" = "yes" ; then
FOUND_PROJ4=yes
AS_ECHO(["Found PROJ library libproj with PROJ4 api available"])
fi
fi
if test "$FOUND_PROJ_LIB" = "yes" ; then
libproj_LIBS="-lproj"
libproj_LDFLAGS=""
else
AS_ECHO(["Did not find PROJ library anywhere, use --with-proj-lib to set the location"])
AC_MSG_ERROR([Did not find PROJ library anywhere, use --with-proj-lib to set the location])
fi
fi
dnl Done checking for PROJ library libproj
AS_ECHO(["FOUND_PROJ_LIB:$FOUND_PROJ_LIB FOUND_PROJ4:$FOUND_PROJ4 FOUND_PROJ6:$FOUND_PROJ6"])
dnl Check if proj header location specified on the command line
AS_ECHO(["Check if proj header location specified on the command line"])
GOT_PROJ=no
FOUND_PROJ_HEADERS=no
AC_ARG_WITH(proj-include, [ --with-proj-include=DIR Location of PROJ headers],
[libproj_CPPFLAGS="-I${withval}"] [GOT_PROJ=yes], [GOT_PROJ=no])
if test "$GOT_PROJ" = "yes" ; then
dnl PROJ header location specified: $libproj_CPPFLAGS - check if proj.h or proj_api.h is there...
AS_ECHO(["PROJ header location specified: $libproj_CPPFLAGS - check if proj.h or proj_api.h is there..."])
else
dnl Looking for PROJ headers in the usual places...
AS_ECHO(["Looking for PROJ headers in the usual places..."])
fi
save_CPPFLAGS=$CPPFLAGS
save_CFLAGS=$CFLAGS
if test "$FOUND_PROJ4" = "yes" ; then
libproj_CPPFLAGS="$libproj_CPPFLAGS -DUSE_PROJ4_API"
dnl Only have PROJ 4 without geodesic calculations, will not build mbsvpselect...
AS_ECHO(["Only have PROJ 4 without geodesic calculations, will not build mbsvpselect..."])
fi
AM_CONDITIONAL([BUILD_MBSVPSELECT], [test $FOUND_PROJ6 = yes])
CPPFLAGS="$CPPFLAGS $libproj_CPPFLAGS"
CFLAGS="$CFLAGS $libproj_CPPFLAGS"
AC_CHECK_HEADER(proj.h, [FOUND_PROJ_HEADER_projh=yes], [FOUND_PROJ_HEADER_projh=no],)
FOUND_PROJ_HEADERS="no"
if test "$FOUND_PROJ_HEADER_projh" = "yes"; then
dnl Found PROJ6 headers
FOUND_PROJ_HEADERS="yes"
AS_ECHO(["Found PROJ 5/6 header proj.h"])
fi
AC_CHECK_HEADER(proj_api.h, [FOUND_PROJ_HEADER_proj_apih=yes], [FOUND_PROJ_HEADER_proj_apih=no],)
if test "$FOUND_PROJ_HEADER_proj_apih" = "yes"; then
FOUND_PROJ_HEADERS="yes"
AS_ECHO(["Found PROJ 4 header proj_api.h"])
fi
if test "$FOUND_PROJ_HEADERS" = "no" ; then
if test "$GOT_PROJ" = "yes" ; then
AS_ECHO(["Did not find PROJ headers according to --with-proj-include - check the installation!"])
AC_MSG_ERROR([Did not find PROJ headers according to --with-proj-include - check the installation!])
else
AS_ECHO(["Did not find PROJ headers anywhere, use --with-proj-include to set the location"])
AC_MSG_ERROR([Did not find PROJ headers anywhere, use --with-proj-include to set the location])
fi
fi
CPPFLAGS=$save_CPPFLAGS
CFLAGS=$save_CFLAGS
dnl Done checking for PROJ library libproj and PROJ headers
dnl Substitute PROJ library and header arguments
AC_SUBST([libproj_LIBS], [$libproj_LIBS])
AC_SUBST([libproj_CPPFLAGS], [$libproj_CPPFLAGS])
dnl--------------------------------------------------------------------
dnl NetCDF Section
dnl Use specified nc-config or look for nc-config in the path
dnl--------------------------------------------------------------------
dnl
if test "X$with_netcdf_config" != "X" ; then
NC_CONF="$with_netcdf_config/nc-config"
AC_MSG_CHECKING(for netCDF nc-config using --with-netcdf-config=$with_netcdf_config )
AC_MSG_RESULT($NC_CONF)
else
AC_PATH_PROG([NC_CONF], [nc-config] )
fi
if test -x "$NC_CONF" ; then
AC_MSG_CHECKING(for netCDF includes)
libnetcdf_CPPFLAGS=-I`$NC_CONF --includedir | sed -e 's/^-I//'`
AC_MSG_RESULT($libnetcdf_CPPFLAGS)
AC_MSG_CHECKING(for netCDF libs)
libnetcdf_LIBS=`$NC_CONF --libs`
AC_MSG_RESULT($libnetcdf_LIBS)
NETCDF_LIB=`echo $libnetcdf_LIBS | sed 's/^-L//;s/\ .*//'`
libnetcdf_LDFLAGS="-L$NETCDF_LIB"
else
if test "X$enable_netcdf" = "X" || test "$enable_netcdf" = "yes" ; then
AC_PATH_PROG([NETCDF], [ncdump], [/usr/local/netcdf/bin/ncdump])
NETCDF=`dirname $NETCDF`
NETCDF=`dirname $NETCDF`
else
NETCDF=$enable_netcdf
fi
AC_MSG_CHECKING(for netCDF include directory)
if test "X$NETCDF_INC" = "X"; then
NETCDF_INC=$NETCDF/include
fi
AC_MSG_RESULT($NETCDF_INC)
if test ! -f $NETCDF_INC/netcdf.h; then
AC_MSG_WARN([[netcdf.h cannot be found in $NETCDF_INC]])
fi
AC_MSG_CHECKING(for netCDF library directory)
if test "X$NETCDF_LIB" = "X"; then
NETCDF_LIB=$NETCDF/lib
fi
AC_MSG_RESULT($NETCDF_LIB)
if test ! -d $NETCDF_LIB; then
AC_MSG_WARN([[No such directory: $NETCDF_LIB]])
fi
libnetcdf_LIBS="-L$NETCDF_LIB -R $NETCDF_LIB -lnetcdf"
libnetcdf_LDFLAGS="-L$NETCDF_LIB"
libnetcdf_CPPFLAGS="-I$NETCDF_INC"
fi
if test ! -x "$NC_CONF" && test ! -d $NETCDF_LIB; then
AC_MSG_ERROR(["Did not find nc-config program or netCDF installation, use --with-nc-config to set the location"])
fi
dnl
dnl Done checking for netCDF headers and libraries
dnl Substitute netCDF library and header arguments
AC_SUBST([libnetcdf_LIBS], [$libnetcdf_LIBS])
AC_SUBST([libnetcdf_CPPFLAGS], [$libnetcdf_CPPFLAGS])
dnl--------------------------------------------------------------------
dnl GDAL Section
dnl We use gdal-config to set GDAL paths and settings
dnl--------------------------------------------------------------------
if test "X$with_gdal_config" != "X" ; then
GDAL_CONF="$with_gdal_config/gdal-config"
AC_MSG_CHECKING(for GDAL gdal-config using --with-gdal-config=$with_gdal_config )
AC_MSG_RESULT($GDAL_CONF)
else
AC_PATH_PROG([GDAL_CONF], [gdal-config])
fi
if test -x "$GDAL_CONF" ; then
AC_MSG_CHECKING(for GDAL includes)
GDAL_INC=`$GDAL_CONF --cflags`
AC_MSG_RESULT($GDAL_INC)
AC_MSG_CHECKING(for GDAL libs)
GDAL_LIB=`$GDAL_CONF --libs`
DEP_LIBS=`$GDAL_CONF --dep-libs`
AC_MSG_RESULT($GDAL_LIB)
GDAL_LIB_PATH=`echo $GDAL_LIB | sed 's/^-L//;s/\ .*//'`
libgdal_CPPFLAGS="$GDAL_INC"
libgdal_LIBS="-L$GDAL_LIB_PATH -R $GDAL_LIB_PATH -lgdal"
libgdal_LDFLAGS="-L$GDAL_LIB_PATH"
else
AS_ECHO(["Did not find gdal-config program, use --with-gdal-config to set the location"])
AC_MSG_ERROR(["Did not find gdal-config program, use --with-gdal-config to set the location"])
fi
dnl Substitute GDAL library and header arguments
AC_SUBST([libgdal_LIBS], [$libgdal_LIBS])
AC_SUBST([libgdal_CPPFLAGS], [$libgdal_CPPFLAGS])
AM_CONDITIONAL([HAVE_GDAL], [test -x "$GDAL_CONF"])
dnl--------------------------------------------------------------------
dnl GMT Section
dnl We use gmt-config to set GMT paths and settings
dnl--------------------------------------------------------------------
if test "X$with_gmt_config" != "X" ; then
GMT_CONF="$with_gmt_config/gmt-config"
AC_MSG_CHECKING(for GMT gmt-config using --with-gmt-config=$with_gmt_config )
AC_MSG_RESULT($GMT_CONF)
else
AC_PATH_PROG([GMT_CONF], [gmt-config])
fi
if test -x "$GMT_CONF" ; then
AC_MSG_CHECKING(for GMT version)
GMT_VERSION=`$GMT_CONF --version 2>/dev/null`
AC_MSG_RESULT($GMT_VERSION)
AC_MSG_CHECKING(GMT version >= 6.1.0)
AX_COMPARE_VERSION([$GMT_VERSION], [ge], [6.1.0], [GMT61PLUS=true], [GMT61PLUS=false])
AX_COMPARE_VERSION([$GMT_VERSION], [ge], [6.1.0], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no - $GMT_VERSION found])])
if [ $GMT61PLUS ] ; then
AS_ECHO(["GMT version >= 6.1.0, mbgrdtiff calls the grdimage module"])
else
AS_ECHO(["GMT version < 6.1.0, mbgrdtiff contructs image without calling the grdimage module"])
fi
AC_MSG_CHECKING(for GMT cflags)
GMT_CFLAGS=`$GMT_CONF --cflags 2>/dev/null`
AC_MSG_RESULT($GMT_CFLAGS)
AC_MSG_CHECKING(for GMT include directory)
GMT_INCLUDEDIR=`$GMT_CONF --includedir 2>/dev/null`
AC_MSG_RESULT($GMT_INCLUDEDIR)
AC_MSG_CHECKING(for GMT libs)
GMT_LIBS=`$GMT_CONF --libs 2>/dev/null`
AC_MSG_RESULT($GMT_LIBS)
AC_MSG_CHECKING(for GMT library directory)
GMT_LIBDIR=`$GMT_CONF --libdir 2>/dev/null`
AC_MSG_RESULT($GMT_LIBDIR)
AC_MSG_CHECKING(for GMT dependent libraries)
DEP_LIBS=`$GMT_CONF --dep-libs 2>/dev/null`
AC_MSG_RESULT($DEP_LIBS)
rpath="$GMT_LIBDIR"
AC_MSG_CHECKING(for 32/64-bit GMT installation)
bits=`$GMT_CONF --bits 2>/dev/null`
GCC_64="-m${bits}"
LDFLAGS="$LDFLAGS -m${bits}"
AC_MSG_RESULT(found ${bits}-bit)
AC_MSG_CHECKING(for GMT plugin location)
GMT_PLUGINDIR=`$GMT_CONF --plugindir 2>/dev/null`
AC_MSG_RESULT($GMT_PLUGINDIR)
libgmt_INCLUDEDIR="$GMT_INCLUDEDIR"
libgmt_CPPFLAGS="$GMT_CFLAGS"
libgmt_LIBS="$GMT_LIBS"
libgmt_LDFLAGS="$GMT_LIBS"
else
AS_ECHO(["Did not find gmt-config program, use --with-gmt-config to set the location"])
AC_MSG_ERROR(["Did not find gmt-config program, use --with-gmt-config to set the location"])
fi
dnl Substitute GMT library and header arguments
AC_SUBST([libgmt_LIBS], [$libgmt_LIBS])
AC_SUBST([libgmt_CPPFLAGS], [$libgmt_CPPFLAGS])
AC_SUBST([libgmt_INCLUDEDIR], [$libgmt_INCLUDEDIR])
AC_SUBST([libgmt_LDFLAGS], [$libgmt_LDFLAGS])
AC_SUBST(GMT_PLUGINDIR)
AM_CONDITIONAL([GMT61PLUS], [$GMT61PLUS])
dnl--------------------------------------------------------------------
dnl FFTW Section
dnl--------------------------------------------------------------------
dnl Check for FFTW library libfftw3
AS_ECHO(["Check for FFTW library libfftw3"])
GOT_FFTW=no
FFTW_SETTING=no
dnl First check if fftw location specified on the command line
AC_ARG_WITH(fftw-lib, [ --with-fftw-lib=DIR Location of FFTW library],
[fftw_libdir="${withval}"] [GOT_FFTW=yes], [GOT_FFTW=no])
if test "$GOT_FFTW" = "yes" ; then
dnl FFTW library location specified: $fftw_libdir - check if libfftw3 is there...
AS_ECHO(["FFTW library location specified: $fftw_libdir - check if libfftw3 is there..."])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -L$fftw_libdir"
AC_CHECK_LIB([fftw3], [fftw_plan_dft_1d], [FFTW_SETTING=yes], [FFTW_SETTING=no], )
LDFLAGS="$save_LDFLAGS"
if test "$FFTW_SETTING" = "no"; then
AC_MSG_ERROR([Did not find libfftw3 according to --with-fftw-lib - check the installation!])
fi
libfftw_LIBS="-L$fftw_libdir -R $fftw_libdir -lfftw3"
libfftw_LDFLAGS="-L$fftw_libdir"
else
dnl Look for pkg-config FFTW package...
AS_ECHO(["Look for pkg-config FFTW package..."])
PKG_CHECK_MODULES([libfftw3], [fftw3], [GOT_FFTW=yes], [GOT_FFTW=no])
libfftw_LIBS="-lfftw3"
libfftw_LDFLAGS=""
fi
if test "$GOT_FFTW" = "no" ; then
dnl Did not find FFTW library pkg-config package, looking in the usual places...
AS_ECHO(["Did not find FFTW library pkg-config package, looking in the usual places..."])
AC_CHECK_LIB([fftw3], [fftw_plan_dft_1d], [FFTW_SETTING=yes], [FFTW_SETTING=no],)
if test "$FFTW_SETTING" = "yes" ; then
GOT_FFTW=yes
AS_ECHO(["Using pre-installed libfftw3..."])
libfftw_LIBS="-lfftw3"
libfftw_LDFLAGS=""
else
AS_ECHO(["Did not find FFTW library anywhere, use --with-fftw-lib to set the location"])
AC_MSG_ERROR([Did not find FFTW library anywhere, use --with-fftw-lib to set the location])
fi
fi
dnl Done checking for FFTW library libfftw3
dnl Check for FFTW headers
AS_ECHO(["Check for FFTW headers"])
GOT_FFTW=no
FFTW_SETTING=no
dnl First check if fftw3 location specified on the command line
AC_ARG_WITH(fftw-include, [ --with-fftw-include=DIR Location of FFTW headers],
[libfftw_CPPFLAGS="-I${withval}"] [GOT_FFTW=yes], [GOT_FFTW=no])
if test "$GOT_FFTW" = "yes" ; then
dnl FFTW header location specified: $libfftw_CPPFLAGS - check if fftw3.h is there...
AS_ECHO(["FFTW header location specified: $libfftw_CPPFLAGS - check if fftw3.h is there..."])
save_CPPFLAGS=$CPPFLAGS
save_CFLAGS=$CFLAGS
CPPFLAGS="$CPPFLAGS $libfftw_CPPFLAGS"
CFLAGS="$CFLAGS $libfftw_CPPFLAGS"
AC_CHECK_HEADER(fftw3.h, [FFTW_SETTING=yes], [FFTW_SETTING=no],)
CPPFLAGS=$save_CPPFLAGS
CFLAGS=$save_CFLAGS
if test "$FFTW_SETTING" = "no"; then
AC_MSG_ERROR([Did not find fftw3.h according to --with-fftw-include - check the installation!])
fi
else
dnl Looking for FFTW headers in the usual places...
AS_ECHO(["Looking for FFTW headers in the usual places..."])
AC_CHECK_HEADER(fftw3.h, [FFTW_SETTING=yes], [FFTW_SETTING=no])
if test "$FFTW_SETTING" = "yes" ; then
GOT_FFTW=yes
AS_ECHO(["Using pre-installed FFTW headers..."])
else
AS_ECHO(["Did not find FFTW headers anywhere, use --with-fftw-include to set the location"])
AC_MSG_ERROR([Did not find FFTW headers anywhere, use --with-fftw-include to set the location])
fi
fi
dnl Done checking for FFTW headers
dnl Substitute FFTW library and header arguments
if test "$GOT_FFTW" = "yes" ; then
AC_SUBST([fftw_app], [$USE_FFTW])
AC_SUBST([libfftw_LIBS], [$libfftw_LIBS])
AC_SUBST([libfftw_CPPFLAGS], [$libfftw_CPPFLAGS])
fi
AM_CONDITIONAL([BUILD_FFTW], [test "$GOT_FFTW" = yes])
dnl--------------------------------------------------------------------
dnl Build graphical tools?
dnl - optionally do not build X11/Motif and X11/Motif/OpenGL programs
dnl--------------------------------------------------------------------
dnl Check if the mbsys tools should be built
AS_ECHO(["Check if the graphical tools should be built"])
AC_ARG_ENABLE(mbtools, [AS_HELP_STRING([--disable-mbtools], [do not build graphical tools])],
[build_mbtools=no], [build_mbtools=yes])
if test "$build_mbtools" = "yes" ; then
dnl Building X11/Motif and X11/Motif/OpenGL programs
AS_ECHO(["Building graphical tools"])
AC_DEFINE(MB_GRAPHICAL_ENABLED, 1, [Build graphical tools])
else
dnl Not building X11/Motif and X11/Motif/OpenGL programs
AS_ECHO(["Not building graphical tools"])
fi
dnl--------------------------------------------------------------------
dnl X11/Motif Section
dnl--------------------------------------------------------------------
dnl Set default lack of X11, Motif, OpenGL
GOT_X11=no
GOT_MOTIF=no
GOT_OPENGL=no
dnl Only look for X11 and Motif if graphical tools should be built
if test "$build_mbtools" = "yes" ; then
dnl Check for X11 libraries libX11 libXt and X11 header file X11/Intrinsic.h
AS_ECHO(["Check for X11 libraries libX11 libXt and X11 header file X11/Intrinsic.h"])
AC_ARG_WITH(x11-lib, [ --with-x11-lib=DIR Location of X11 libraries],
[x11_libdir="${withval}"] [X11_LIB_SET=yes], [X11_LIB_SET=no])
if test "$X11_LIB_SET" = "yes" ; then
dnl X11 library location specified: $x11_libdir - check if libX11 and libXt are there...
AS_ECHO(["X11 library location specified: $x11_libdir - check if libX11 and libXt are there..."])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -L$x11_libdir"
AC_CHECK_LIB([Xt], [XtAppMainLoop], [GOT_X11=yes], [GOT_X11=no])
if test "$GOT_X11" = "yes" ; then
AC_CHECK_LIB([X11], [XSendEvent], [GOT_X11=yes], [GOT_X11=no])
fi
LDFLAGS="$save_LDFLAGS"
if test "$GOT_X11" = "yes"; then
libx11_LIBS="-lXt -lX11"
libx11_LDFLAGS="-L$x11_libdir -R $x11_libdir"
fi
else
dnl X11 library location not specified - check for libX11 and libXt in the usual places...
AS_ECHO(["X11 library location not specified - check for libX11 and libXt in the usual places..."])
AC_CHECK_LIB([Xt], [XtAppMainLoop], [GOT_X11=yes], [GOT_X11=no])
if test "$GOT_X11" = "yes" ; then
AC_CHECK_LIB([X11], [XSendEvent], [GOT_X11=yes], [GOT_X11=no])
fi
if test "$GOT_X11" = "yes"; then
libx11_LIBS="-lXt -lX11"
libx11_LDFLAGS=" "
fi
fi
if test "$GOT_X11" = "yes"; then
AS_ECHO(["X11 libraries found!"])
else
AC_MSG_ERROR([Did not find libX11 or libXt - check the installation!])
fi
dnl If the X11 libraries are found then check for header files
if test "$GOT_X11" = "yes" ; then
AC_ARG_WITH(x11-include, [ --with-x11-include=DIR Location of X11 headers],
[x11_includedir="${withval}"] [X11_INCLUDE_SET=yes], [X11_INCLUDE_SET=no])
if test "$X11_INCLUDE_SET" = "yes" ; then
dnl X11 header location specified: $x11_includedir - check if X11/Intrinsic.h is there...
AS_ECHO(["X11 header location specified: $x11_includedir - check if X11/Intrinsic.h is there..."])
save_CPPFLAGS=$CPPFLAGS
save_CFLAGS=$CFLAGS
CPPFLAGS="$CPPFLAGS -I$x11_includedir"
CFLAGS="$CFLAGS -I$x11_includedir"
AC_CHECK_HEADER(X11/Intrinsic.h, [GOT_X11=yes], [GOT_X11=no],)
CPPFLAGS=$save_CPPFLAGS
CFLAGS=$save_CFLAGS
if test "$GOT_X11" = "yes"; then
libx11_CPPFLAGS="-I$x11_includedir"
fi
else
AC_CHECK_HEADER(X11/Intrinsic.h, [GOT_X11=yes], [GOT_X11=no],)
if test "$GOT_X11" = "yes"; then
libx11_CPPFLAGS=""
fi
fi
if test "$GOT_X11" = "yes"; then
AS_ECHO(["X11 headers found!"])
else
AC_MSG_ERROR([Did not find X11/Intrinsic.h - check the installation!])
fi
fi
if test "$GOT_X11" = "yes" ; then
dnl Check for Motif library libXm
AS_ECHO(["Check for Motif library libXm"])
AC_ARG_WITH(motif-lib, [ --with-motif-lib=DIR Location of MOTIF library],
[motif_libdir="${withval}"] [MOTIF_LIB_SET=yes], [MOTIF_LIB_SET=no])
if test "$MOTIF_LIB_SET" = "yes" ; then
dnl Motif library location specified: $motif_libdir - check if libXm is there...
AS_ECHO(["Motif library location specified: $motif_libdir - check if libXm is there..."])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -L$motif_libdir"
AC_CHECK_LIB([Xm], [XmCreatePushButton], [GOT_MOTIF=yes], [GOT_MOTIF=no], )
LDFLAGS="$save_LDFLAGS"
if test "$GOT_MOTIF" = "yes"; then
libmotif_LIBS="-lXm"
libmotif_LDFLAGS="-L$motif_libdir -R $motif_libdir"
else
AC_MSG_ERROR(["Did not find libXm according to --with-motif-lib - check the installation!"])
fi
else
dnl First look for pkg-config OpenMotif entry...
AS_ECHO(["Look for pkg-config OpenMotif package..."])
PKG_CHECK_MODULES([libXm], [openmotif], [GOT_MOTIF=yes], [GOT_MOTIF=no])
if test "$GOT_MOTIF" = "yes"; then
AS_ECHO([Found libXm using pkg-config...])
libmotif_LIBS="-lXm"
libmotif_LDFLAGS=""
else
AS_ECHO(["Did not find libXm using pkg-config, looking in the usual places..."])
AC_CHECK_LIB([Xm], [XmCreatePushButton], [GOT_MOTIF=yes], [GOT_MOTIF=no],)
if test "$GOT_MOTIF" = "yes" ; then
AS_ECHO(["Found libXm!"])
libmotif_LIBS="-lXm"
libmotif_LDFLAGS=""
else
AC_MSG_ERROR(["Did not find Motif library anywhere, use --with-motif-lib to set the location"])
fi
fi
fi
if test "$GOT_MOTIF" = "yes" ; then
dnl Check for Motif headers
AS_ECHO(["Check for Motif headers"])
dnl First check if Motif location specified on the command line
AC_ARG_WITH(motif-include, [ --with-motif-include=DIR Location of Motif headers],
[motif_includedir="${withval}"] [MOTIF_INCLUDE_SET=yes], [MOTIF_INCLUDE_SET=no])
if test "$MOTIF_INCLUDE_SET" = "yes" ; then
dnl Motif header location specified: $motif_includedir - check if Xm/Xm.h is there...
AS_ECHO(["Motif header location specified: $motif_includedir - check if Xm/Xm.h is there..."])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -I$motif_includedir"
AS_ECHO(["Looking for Motif headers: CPPFLAGS=$CPPFLAGS"])
AC_CHECK_HEADER(Xm/Xm.h, [GOT_MOTIF=yes], [GOT_MOTIF=no],)
AS_ECHO(["Done looking for Motif headers: GOT_MOTIF=$GOT_MOTIF"])
CPPFLAGS=$save_CPPFLAGS
if test "$GOT_MOTIF" = "yes"; then
libmotif_CPPFLAGS="-I$motif_includedir"
else
dnl Failed header check - try brute force check if Xm/Xm.h exists
AS_ECHO(["Failed header check - try brute force check if Xm/Xm.h exists"])
if test -f $motif_includedir/Xm/Xm.h ; then
libmotif_CPPFLAGS="-I$motif_includedir"
GOT_MOTIF=yes
else
AC_MSG_ERROR(["Did not find Xm/Xm.h according to --with-motif-include - check the installation!"])
fi
fi
else
dnl Looking for Motif headers in the usual places...
AS_ECHO(["Looking for Motif headers in the usual places..."])
AC_CHECK_HEADER(Xm/Xm.h, [GOT_MOTIF=yes], [GOT_MOTIF=no])
if test "$GOT_MOTIF" = "yes" ; then
libmotif_CPPFLAGS=""
else
AC_MSG_ERROR([Did not find Motif headers anywhere, use --with-motif-include to set the location])
fi
fi
fi
else
dnl Failed to find X11 libraries and headers - unable to build graphical tools
AS_ECHO(["Failed to find X11 libraries and headers - unable to build graphical tools"])
fi
dnl End looking for X11 and Motif if graphical tools to be built
fi
dnl Substitute Motif library and header arguments
AM_CONDITIONAL([BUILD_MOTIF], [test "$GOT_MOTIF" = yes])
AC_SUBST([libx11_LIBS], [$libx11_LIBS])
AC_SUBST([libx11_CPPFLAGS], [$libx11_CPPFLAGS])
AC_SUBST([libx11_LDFLAGS], [$libx11_LDFLAGS])
AC_SUBST([libmotif_LIBS], [$libmotif_LIBS])
AC_SUBST([libmotif_CPPFLAGS], [$libmotif_CPPFLAGS])
AC_SUBST([libmotif_LDFLAGS], [$libmotif_LDFLAGS])
dnl End check for Motif library and headers
dnl--------------------------------------------------------------------
dnl OpenGL Section
dnl--------------------------------------------------------------------
dnl Only look for OpenGL if graphical tools should be built and X11 and Motif have been found
if test "$build_mbtools" = "yes" ; then
dnl Check for OpenGL libraries libGL libGLU and header files GL/gl.h GL/glu.h GL/glx.h
AS_ECHO(["Check for OpenGL libraries libGL libGLU and header files GL/gl.h GL/glu.h GL/glx.h"])
GOT_OPENGL=no
OPENGL_SETTING=no
dnl Check for OpenGL libraries libGLU libGL
AS_ECHO(["Check for OpenGL libraries libGLU libGL"])
AC_ARG_WITH(opengl-lib, [ --with-opengl-lib=DIR Location of OpenGL library],
[opengl_libdir="${withval}"] [GOT_OPENGL=yes], [GOT_OPENGL=no])
if test "$GOT_OPENGL" = "yes" ; then
dnl OpenGL library location specified: $opengl_libdir - check if libGLU libGL is there...
AS_ECHO(["OpenGL library location specified: $opengl_libdir - check if libGL libGLU are there..."])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -L$opengl_libdir"
AC_CHECK_LIB([GL], [glBegin], [OPENGL_SETTING=yes], [OPENGL_SETTING=no], )
if test "$OPENGL_SETTING" = "yes"; then
AC_CHECK_LIB([GLU], [gluScaleImage], [OPENGL_SETTING=yes], [OPENGL_SETTING=no], )
fi
LDFLAGS="$save_LDFLAGS"
if test "$OPENGL_SETTING" = "no"; then
AC_MSG_ERROR([Did not find libGLU libGL according to --with-opengl-lib - check the installation!])
fi
libopengl_LIBS="-L$opengl_libdir -lGL -lGLU"
libopengl_LDFLAGS="-L$opengl_libdir"
else
dnl Look for pkg-config OpenGL package...
AS_ECHO(["Look for pkg-config OpenGL package..."])
PKG_CHECK_MODULES([libGLU], [opengl], [GOT_OPENGL=yes], [GOT_OPENGL=no])
libopengl_LIBS="-lGL -lGLU"
libopengl_LDFLAGS=""
fi
if test "$GOT_OPENGL" = "no" ; then
dnl Did not find OpenGL library pkg-config package, looking in the usual places...
AS_ECHO(["Did not find OpenGL library pkg-config package, looking in the usual places..."])
AC_CHECK_LIB([GL], [glBegin], [OPENGL_SETTING=yes], [OPENGL_SETTING=no], )
if test "$OPENGL_SETTING" = "yes"; then
AC_CHECK_LIB([GLU], [gluScaleImage], [OPENGL_SETTING=yes], [OPENGL_SETTING=no], )
fi
if test "$OPENGL_SETTING" = "yes" ; then
GOT_OPENGL=yes
AS_ECHO(["Using pre-installed libGLU libGL..."])
libopengl_LIBS="-lGL -lGLU"
libopengl_LDFLAGS=""
else
AS_ECHO(["Did not find OpenGL library anywhere, use --with-opengl-lib to set the location"])
AC_MSG_ERROR([Did not find OpenGL library anywhere, use --with-opengl-lib to set the location])
fi
fi
dnl Done checking for OpenGL libraries libGLU libGL
if test "$GOT_OPENGL" = "yes" ; then
dnl Check for OpenGL headers
AS_ECHO(["Check for OpenGL headers"])
GOT_OPENGL=no