configure.ac
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#############################################################################
# Configuration for ctools - a set of tools for science analysis of CTA #
# data #
# ------------------------------------------------------------------------- #
# Copyright (C) 2011-2012 Juergen Knoedlseder #
# ------------------------------------------------------------------------- #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
# ------------------------------------------------------------------------- #
# Process this file with autoconf to produce a configure script. #
# ------------------------------------------------------------------------- #
# ToDo: #
# - add possibility to build as Framework on Darwin #
# - strip "-Wstrict-prototypes" for C++ compiling #
#############################################################################
#############################################################################
# Initialisation #
#############################################################################
AC_INIT([ctools], [0.4.0], [jurgen.knodlseder@irap.omp.eu], [ctools])
AC_CONFIG_SRCDIR([src/ctselect/ctselect.cpp])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([gnu no-dependencies])
AC_CONFIG_HEADERS([config.h])
#############################################################################
# Set prefix #
# ------------------------------------------------------------------------- #
# By default, ctools get installed into "/usr/local/gamma". The default #
# can be overwritten using the --prefix option. #
#############################################################################
AC_PREFIX_DEFAULT([/usr/local/gamma])
if test "x$prefix" = xNONE; then
ctools_prefix="/usr/local/gamma"
else
ctools_prefix=${prefix}
fi
AC_DEFINE_UNQUOTED([PACKAGE_PREFIX], "${ctools_prefix}", [Location where library is installed])
#############################################################################
# Check for programs that are required by automake #
#############################################################################
AC_PROG_MAKE_SET
#############################################################################
# Determine the build and host system type #
#############################################################################
AC_CANONICAL_HOST
#############################################################################
# Check for valid C++ compiler. This has to come before the check for #
# header files, otherwise we won't detect if the C++ compiler is missing. #
#############################################################################
AC_LANG(C++)
AC_PROG_CXX([g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++])
AC_PROG_CC([gcc cc cl.exe clang])
#############################################################################
# Darwin option: Determine architecture of universal library to be built #
# ------------------------------------------------------------------------- #
# --with-univeral-archs=VALUE, where VALUE is one of: #
# 32-bit - ppc, i386 #
# 64-bit - ppc64, x86_64 #
# 3-way - ppc, i386, x86_64 (default) #
# intel - i386, x86_64 #
# all - ppc, ppc64, i386, x86_64 #
#############################################################################
UNIVERSAL_ARCHS="3-way"
AC_SUBST(LIPO_32BIT_FLAGS)
AC_MSG_CHECKING(for --with-universal-archs)
AC_ARG_WITH(universal-archs,
AS_HELP_STRING([--with-universal-archs=ARCH], [select architectures for universal build ("32-bit", "64-bit", "3-way", "intel" or "all")]),
[
AC_MSG_RESULT($withval)
UNIVERSAL_ARCHS="$withval"
],
[
AC_MSG_RESULT(3-way)
])
#############################################################################
# Darwin option: Determine if a universal library should be built #
# ------------------------------------------------------------------------- #
# --enable-universalsdk=PATH takes an optional argument that specifies #
# which OSX SDK should be used to perform the build. #
# This defaults to: #
# "/Developer/SDKs/MacOSX.10.4u.sdk" for a '32-bit' build #
# "/Developer/SDKs/MacOSX.10.5.sdk" for any other build #
#############################################################################
AC_MSG_CHECKING([for --enable-universalsdk])
AC_ARG_ENABLE(universalsdk,
AS_HELP_STRING([--enable-universalsdk@<:@=SDKDIR@:>@], [Build against Mac OS X 10.4u SDK (ppc/i386)]),
[
case $enableval in
yes)
if [test "${UNIVERSAL_ARCHS}" = "32-bit";] then
enableval=/Developer/SDKs/MacOSX10.4u.sdk
else
enableval=/Developer/SDKs/MacOSX10.5.sdk
fi
if [test ! -d "${enableval}";] then
enableval=/
fi
;;
esac
case $enableval in
no)
UNIVERSALSDK=
enable_universalsdk=
;;
*)
UNIVERSALSDK=$enableval
if [test ! -d "${UNIVERSALSDK}"]; then
AC_MSG_ERROR([--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}])
fi
;;
esac
],[
UNIVERSALSDK=
enable_universalsdk=
])
if [test -n "${UNIVERSALSDK}"]; then
AC_MSG_RESULT(${UNIVERSALSDK})
else
AC_MSG_RESULT(no)
fi
AC_SUBST(UNIVERSALSDK)
#############################################################################
# Darwin option: Check whether --with-universal-archs was specified without #
# --enable-universalsdk #
#############################################################################
if [test "${withval}"]; then
if [test "${enable_universalsdk}"]; then
:
else
AC_MSG_ERROR([--with-universal-archs without --enable-universalsdk.])
fi
fi
#############################################################################
# Record MACOSX_DEPLOYMENT_TARGET #
# ------------------------------------------------------------------------- #
# Record the configure-time value of MACOSX_DEPLOYMENT_TARGET, it may #
# influence the way we can build extensions, so distutils needs to check it #
#############################################################################
AC_SUBST(CONFIGURE_MACOSX_DEPLOYMENT_TARGET)
AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
#############################################################################
# Set name for machine-dependent library files #
#############################################################################
AC_SUBST(MACHDEP)
AC_MSG_CHECKING(MACHDEP)
if test -z "$MACHDEP"; then
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" \
-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
ac_sys_release=`uname -v`
else
ac_sys_release=`uname -r`
fi
ac_md_system=`echo $ac_sys_system |
tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
ac_md_release=`echo $ac_sys_release |
tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//'`
# Set MACHDEP
MACHDEP="$ac_md_system$ac_md_release"
case $MACHDEP in
cygwin*) MACHDEP="cygwin";;
darwin*) MACHDEP="darwin";;
atheos*) MACHDEP="atheos";;
irix646) MACHDEP="irix6";;
'') MACHDEP="unknown";;
esac
fi
AC_MSG_CHECKING(machine type as reported by uname -m)
ac_sys_machine=`uname -m`
AC_MSG_RESULT($ac_sys_machine)
#############################################################################
# Set system-dependent library definitions #
#############################################################################
AC_MSG_CHECKING([for the shared library paths environment variable])
case $ac_sys_system in
BeOS*)
SHAREDSUFFIX='.so'
;;
CYGWIN*)
SHAREDSUFFIX='.dll.a'
;;
SunOS*)
SHAREDSUFFIX='.so'
RUNSHARED='LD_LIBRARY_PATH'
;;
Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*)
SHAREDSUFFIX='.so'
RUNSHARED='LD_LIBRARY_PATH'
;;
hp*|HP*)
case `uname -m` in
ia64)
SHAREDSUFFIX='.so'
;;
*)
SHAREDSUFFIX='.sl'
;;
esac
RUNSHARED='SHLIB_PATH'
;;
OSF*)
SHAREDSUFFIX='.so'
RUNSHARED='LD_LIBRARY_PATH'
;;
atheos*)
SHAREDSUFFIX='.so'
RUNSHARED='DLL_PATH'
;;
Darwin*)
SHAREDSUFFIX='.dylib'
RUNSHARED='DYLD_LIBRARY_PATH'
;;
AIX*)
SHAREDSUFFIX='.so'
RUNSHARED='LIBPATH'
;;
esac
AC_MSG_RESULT($RUNSHARED)
AC_SUBST(SHAREDSUFFIX)
AC_SUBST(RUNSHARED)
#############################################################################
# Set -arch flags for universal builds on OSX and tweak BASECFLAGS based on #
# compiler and platform (note that BASECFLAGS are not yet used). #
#############################################################################
# Initialise the -arch flags for universal builds on OSX
UNIVERSAL_ARCH_FLAGS=
AC_SUBST(UNIVERSAL_ARCH_FLAGS)
# Tweak BASECFLAGS based on compiler and platform
case $GCC in
yes)
# if using gcc on alpha, use -mieee to get (near) full IEEE 754
# support. Without this, treatment of subnormals doesn't follow
# the standard.
case $ac_sys_machine in
alpha*)
BASECFLAGS="$BASECFLAGS -mieee"
;;
esac
case $ac_sys_system in
SCO_SV*)
BASECFLAGS="$BASECFLAGS -m486 -DSCO5"
;;
# is there any other compiler on Darwin besides gcc?
Darwin*)
# -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
# used to be here, but non-Apple gcc doesn't accept them.
if test "${CC}" = gcc; then
AC_MSG_CHECKING(which compiler should be used)
case "${UNIVERSALSDK}" in
*/MacOSX10.4u.sdk)
# Build using 10.4 SDK, force usage of gcc when the
# compiler is gcc, otherwise the user will get very
# confusing error messages when building on OSX 10.6
CC=gcc-4.0
CXX=g++-4.0
CPP=cpp-4.0
ac_ct_CC="$CC"
ac_ct_CXX="$CXX"
ac_cv_prog_ac_ct_CC="$ac_ct_CC"
ac_cv_prog_ac_ct_CXX="$ac_ct_CXX"
;;
esac
AC_MSG_RESULT($CXX)
fi
# Calculate the right deployment target for this build.
cur_target=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'`
if test ${cur_target} '>' 10.2; then
cur_target=10.3
if test ${enable_universalsdk}; then
if test "${UNIVERSAL_ARCHS}" = "all"; then
# Ensure that the default platform for a
# 4-way universal build is OSX 10.5,
# that's the first OS release where
# 4-way builds make sense.
cur_target='10.5'
elif test "${UNIVERSAL_ARCHS}" = "3-way"; then
cur_target='10.5'
elif test "${UNIVERSAL_ARCHS}" = "intel"; then
cur_target='10.5'
elif test "${UNIVERSAL_ARCHS}" = "64-bit"; then
cur_target='10.5'
elif test "${UNIVERSAL_ARCHS}" = "32-bit"; then
cur_target='10.4'
fi
else
if test `/usr/bin/arch` = "i386"; then
# On Intel macs default to a deployment
# target of 10.4, that's the first OSX
# release with Intel support.
cur_target="10.4"
fi
fi
fi
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}}
# Make sure that deployment target is >= SDK
case "${UNIVERSALSDK}" in
*/MacOSX10.4u.sdk)
if [test ${cur_target} '>' 10.4;] then
AC_MSG_ERROR([Invalid MACOSX_DEPLOYMENT_TARGET=$CONFIGURE_MACOSX_DEPLOYMENT_TARGET for SDK 10.4. Specify --enable-universalsdk=/Developer/SDKs/MacOSX${cur_target}.sdk])
fi
;;
*/MacOSX10.5.sdk)
if [test ${cur_target} '>' 10.5;] then
AC_MSG_ERROR([Invalid MACOSX_DEPLOYMENT_TARGET=$CONFIGURE_MACOSX_DEPLOYMENT_TARGET for SDK 10.5. Specify --enable-universalsdk=/Developer/SDKs/MacOSX${cur_target}.sdk])
fi
;;
*/MacOSX10.6.sdk)
if [test ${cur_target} '>' 10.6;] then
AC_MSG_ERROR([Invalid MACOSX_DEPLOYMENT_TARGET=$CONFIGURE_MACOSX_DEPLOYMENT_TARGET for SDK 10.6. Specify --enable-universalsdk=/Developer/SDKs/MacOSX${cur_target}.sdk])
fi
;;
esac
# Make sure that MACOSX_DEPLOYMENT_TARGET is set in the
# environment with a value that is the same as what we'll use
# in the Makefile to ensure that we'll get the same compiler
# environment during configure and build time.
MACOSX_DEPLOYMENT_TARGET="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET"
export MACOSX_DEPLOYMENT_TARGET
EXPORT_MACOSX_DEPLOYMENT_TARGET=''
# Set compile, link and pre-processor flags dependent on architecture
if test "${enable_universalsdk}"; then
UNIVERSAL_ARCH_FLAGS=""
if test "$UNIVERSAL_ARCHS" = "32-bit" ; then
UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
ARCH_RUN_32BIT=""
LIPO_32BIT_FLAGS=""
elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
LIPO_32BIT_FLAGS=""
ARCH_RUN_32BIT="true"
elif test "$UNIVERSAL_ARCHS" = "all" ; then
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
elif test "$UNIVERSAL_ARCHS" = "intel" ; then
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
LIPO_32BIT_FLAGS="-extract i386"
ARCH_RUN_32BIT="/usr/bin/arch -i386"
elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
else
AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])
fi
CXXFLAGS="${UNIVERSAL_ARCH_FLAGS} ${CXXFLAGS}"
if test "${UNIVERSALSDK}" != "/"; then
CPPFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}"
LDFLAGS="-isysroot ${UNIVERSALSDK} ${LDFLAGS}"
CXXFLAGS="-isysroot ${UNIVERSALSDK} ${CXXFLAGS}"
fi
fi
;;
OSF*)
BASECFLAGS="$BASECFLAGS -mieee"
;;
esac
;;
*)
case $ac_sys_system in
OpenUNIX*|UnixWare*)
BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
;;
OSF*)
BASECFLAGS="$BASECFLAGS -ieee -std"
;;
SCO_SV*)
BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
;;
esac
;;
esac
#############################################################################
# Checks for debugging and profiling options #
#############################################################################
# Check for debugging option
AC_MSG_CHECKING(whether to enable debugging)
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug],
[turn on debugging [default=no]]),
[enable_debug="$enableval"],
[enable_debug="no"])
if test "x$enable_debug" = "xyes"; then
CFLAGS="$CFLAGS -g"
CXXFLAGS="$CXXFLAGS -g"
FFLAGS="$FFLAGS -g"
AC_DEFINE([G_DEBUG], [1], [Define if debugging is turned on])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Check for profiling option
AC_MSG_CHECKING(whether to enable profiling)
AC_ARG_ENABLE([profiling],
AS_HELP_STRING([--enable-profiling],
[turn on profiling [default=no]]),
[enable_profiling="$enableval"],
[enable_profiling="no"])
if test "x$enable_profiling" = "xyes"; then
CFLAGS="$CFLAGS -pg"
CXXFLAGS="$CXXFLAGS -pg"
FFLAGS="$FFLAGS -pg"
AC_DEFINE([G_PROFILE], [1], [Define if profiling is turned on])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Set linker options #
#############################################################################
case $ac_sys_system/$ac_sys_release in
Darwin/*)
# Use -undefined dynamic_lookup whenever possible (10.3 and later).
# This allows an extension to be used in any Python
#if test ${MACOSX_DEPLOYMENT_TARGET} '>' 10.2; then
if test "${enable_universalsdk}"; then
LDFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${LDFLAGS}"
fi
#fi
;;
esac
#############################################################################
# Checks for header files #
#############################################################################
AC_HEADER_STDC
#############################################################################
# Checks for installer #
#############################################################################
AC_PROG_INSTALL
#############################################################################
# Checks for libtool. We need to do this after the compiler has been #
# determined. #
#############################################################################
AC_PROG_LIBTOOL
#############################################################################
# Checks for typedefs, structures, and compiler characteristics #
#############################################################################
AC_TYPE_SIZE_T
# AC_TYPE_LONG_LONG_INT
AC_C_CONST
AC_C_INLINE
#############################################################################
# Checks if Python bindings are to be build #
# ------------------------------------------------------------------------- #
# Python binding requires Python and either the files ctools_wrap.cpp and #
# ctools.py or swig to create these files. The following conditionals are #
# set: #
# WITH_PYTHON - Python bindings will be built #
# HAVE_SWIG - swig is available #
#############################################################################
# Initialise flags
enable_python="no"
has_python="no"
has_python_h="no"
has_swig="no"
has_wrappers="no"
# Python binding enabled?
AC_ARG_ENABLE([python-binding],
AS_HELP_STRING([--enable-python-binding],
[build python binding [default=yes]]),
[ac_enable_python_binding="$enableval"],
[ac_enable_python_binding="yes"])
if test "x$ac_enable_python_binding" = "xno"; then
AC_MSG_NOTICE([Python binding for ctools will not be built])
AC_MSG_NOTICE([Enable Python binding module building with --enable-python-binding])
fi
# Do we have Python and Python.h?
AM_PATH_PYTHON([2.2],
[has_python="yes"],
[AC_MSG_WARN([Python >= 2.2 not found. Python >= 2.2 is required to build python binding. Python can be obtained from http://www.python.org])])
if test "x$has_python" = "xyes"; then
# Do we have distutils?
AC_MSG_CHECKING([for the distutils Python package])
ac_distutils_result=`$PYTHON -c "import distutils" 2>&1`
if test -z "$ac_distutils_result"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
# If we have distutils then get python path from distutils ...
if test -z "$ac_distutils_result"; then
AC_MSG_CHECKING([for Python include path])
python_path=`$PYTHON -c "import distutils.sysconfig; \
print distutils.sysconfig.get_python_inc();"`
if test -n "${python_path}"; then
AC_CHECK_HEADERS($python_path/Python.h, [has_python_h="yes"], [has_python_h="no"])
python_path="-I$python_path"
fi
PYTHON_CPPFLAGS=$python_path
CPPFLAGS="${CPPFLAGS} ${python_path}"
AC_SUBST([PYTHON_CPPFLAGS])
# ... otherwise check for includes relative to exectuable (obsolete?)
else
# Determine include path for python
AC_PATH_PROG(PY_INCLUDE, python)
PY_INCLUDE=`echo $PY_INCLUDE | sed -e "s/bin/include/"`
PY_INCLUDE="$PY_INCLUDE$PYTHON_VERSION"
# Check if we have Python.h
AC_CHECK_HEADERS($PY_INCLUDE/Python.h, [has_python_h="yes"], [has_python_h="no"])
# Signal any problem
if test "x$has_python_h" = "xno"; then
AC_MSG_WARN([No Python header file "$PY_INCLUDE/Python.h" found. Please install appropriate Python development package.])
fi
fi
fi
# Do we have swig?
AC_PATH_PROG([SWIG], [swig])
if test "$SWIG"; then
has_swig="yes"
fi
AM_CONDITIONAL(HAVE_SWIG, test "x$has_swig" = "xyes")
# Do we have wrappers (ctools_wrap.cpp and ctools.py)?
AC_CHECK_FILES([pyext/ctools_wrap.cpp pyext/ctools.py],,)
if test "x$ac_cv_file_pyext_ctools_wrap_cpp" = "xyes"; then
if test "x$ac_cv_file_pyext_ctools_py" = "xyes"; then
has_wrappers="yes"
fi
fi
# Signal if Python is enabled
if test "x$ac_enable_python_binding" = "xyes" -a "x$has_python" = "xyes" -a "x$has_python_h" = "xyes"; then
if test "x$has_swig" = "xyes" -o "x$has_wrappers" = "xyes"; then
enable_python="yes"
fi
fi
AM_CONDITIONAL(WITH_PYTHON, test "x$enable_python" = "xyes")
# Set Python environment
if test "x$enable_python" = "xyes"; then
# Set host specific build prefix (needed for Solaris pycc bug)
PYTHON_BUILD_PREFIX=
case $host in
sparc*-sun-solaris*) PYTHON_BUILD_PREFIX="CC=CC" ;;
*) PYTHON_BUILD_PREFIX="" ;;
esac
AC_SUBST(PYTHON_BUILD_PREFIX)
# Set host specific extra libraries. Add all host specific libraries here that
# need to be linked in the python module
PYTHON_EXTRA_LIBS=
case $host in
sparc*-sun-solaris*) PYTHON_EXTRA_LIBS="Cstd" ;;
*) PYTHON_EXTRA_LIBS="" ;;
esac
AC_SUBST(PYTHON_EXTRA_LIBS)
else
if test "x$has_python_wrap" = "xno" -a "x$has_swig" = "xno"; then
AC_MSG_WARN([Neither pyext/ctools_wrap.cpp and pyext/ctools.py nor swig has not been found])
AC_MSG_WARN([Python binding for ctools cannot be built])
AC_MSG_WARN([Either use a ctools distribution with ctools_wrap.cpp and ctools.py shipped or install swig on your system])
AC_MSG_WARN([swig can be obtained from http://www.swig.org/])
fi
fi
#############################################################################
# Checks for GammaLib library #
#############################################################################
# Initialise GammaLib availability
has_gammalib="no"
# First check for GammaLib in the standard path using the AC_LINK_IFELSE macro.
# This allows also search in paths that are eventually specified by LDFAGS.
SAVED_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -lgamma"
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <GammaLib.hpp>],
[GSkyDir dir])],
[has_gammalib="yes"
AC_MSG_NOTICE([GammaLib found in standard path])],
[AC_MSG_WARN([GammaLib not found in any standard path])])
LDFLAGS=$SAVED_LDFLAGS
# If GammaLib has not been found in any standard path then search now in a
# number of predefined locations.
if test "x$has_gammalib" = "xno"; then
for i in "$ctools_prefix" "$GAMMALIB" /opt/local /usr/local /usr ; do
if test -f $i/lib64/libgamma.so -o -f $i/lib64/libgamma.dylib; then
if test -d $i/include/gammalib; then
LIBDIR_GAMMALIB=$i/lib64
INCDIR_GAMMALIB=$i/include/gammalib
break
fi
fi
if test -f $i/lib/libgamma.so -o -f $i/lib/libgamma.dylib; then
if test -d $i/include/gammalib; then
LIBDIR_GAMMALIB=$i/lib
INCDIR_GAMMALIB=$i/include/gammalib
break
fi
fi
done
if test -n "$LIBDIR_GAMMALIB" -a -n "$INCDIR_GAMMALIB"; then
has_gammalib="yes"
LDFLAGS="$LDFLAGS -L$LIBDIR_GAMMALIB"
CPPFLAGS="$CPPFLAGS -I$INCDIR_GAMMALIB"
AC_MSG_NOTICE([GammaLib found in ${LIBDIR_GAMMALIB} and ${INCDIR_GAMMALIB}.])
fi
fi
# Set GammaLib information
if test "x$has_gammalib" = "xyes"; then
LIBS_GAMMALIB="-lgamma"
LIBS="${LIBS} ${LIBS_GAMMALIB}"
AC_DEFINE([HAVE_LIBGAMMA], [1], [Define if gammalib is available])
AC_SUBST(LIBS_GAMMALIB)
AC_SUBST(LIBDIR_GAMMALIB)
AC_SUBST(INCDIR_GAMMALIB)
else
AC_MSG_ERROR([No suitable GammaLib library found.
ctools require GammaLib for compilation, so please install GammaLib before or,
if you think that it is installed, set the GAMMALIB environment variable to the
root directory of GammaLib.])
fi
#############################################################################
# Checks for OpenMP checking option (G_OPENMP) #
#############################################################################
# Initialise OpenMP availability
openmp_ok=no
gammalib_with_openmp=no
# Detect if GammaLib has been compiled with OpenMP
AC_MSG_CHECKING(whether GammaLib has been compiled with OpenMP)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <GObservations.hpp>]],,)],
[gammalib_with_openmp=no;AC_MSG_RESULT(no)],
[gammalib_with_openmp=yes;AC_MSG_RESULT(yes)])
# Check if openMP is available
m4_ifdef([AC_OPENMP],[AC_OPENMP], [AX_OPENMP([openmp_ok=yes],[openmp_ok=no])])
if test "x$ac_cv_prog_cxx_openmp" != "xunsupported" && test "x$ac_cv_prog_cxx_openmp" != "x"; then
openmp_ok=yes
fi
# Signal actual test
AC_MSG_CHECKING(whether to enable OpenMP)
# If OpenMP is available
if test "x$openmp_ok" = "xyes"; then
# If gammalib is compiled with OpenMP, ctools must also be compiled with
# openmp
if test "x$gammalib_with_openmp" = "xyes"; then
enable_openmp="yes"
else
# ... otherwise, we use it optionally
AC_ARG_ENABLE([openmp],
AS_HELP_STRING([--enable-openmp],
[turn on OpenMP support [default=yes]]),
[enable_openmp="$enableval"],
[enable_openmp="yes"])
fi
fi
# Set compiler flags accordingly
if test "x$enable_openmp" = "xyes"; then
CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
AC_DEFINE([HAVE_OPENMP], [1], [Define if OpenMP is enabled])
AC_MSG_RESULT(yes)
else
enable_openmp=no
AC_MSG_RESULT(no)
fi
# Set system specific settings
OPENMP_LIB_LDFLAGS=
if test "x$enable_openmp" = "xyes"; then
case $ac_sys_system/$ac_sys_release in
Darwin/*)
#
#
OPENMP_LIB_LDFLAGS=-lgomp
;;
esac
fi
AC_SUBST(OPENMP_LIB_LDFLAGS)
# Signal if ctools cannot be compiled as gammalibe requires OpenMP but ctools
# cannot be compiled with OpenMP
if test "x$enable_openmp" = "xno" && test "x$gammalib_with_openmp" = "xyes"; then
AC_MSG_ERROR([The GammaLib library has been built with openMP support but OpenMP is not available on this system. Please install OpenMP or re-build GammaLib without OpenMP support.])
fi
AM_CONDITIONAL(OPENMP,test "x$enable_openmp" = "xyes")
#############################################################################
# Build static code? #
#############################################################################
if test "x$enable_profiling" = "xyes"; then
AC_MSG_NOTICE([Link executables statically.])
LIB_LINK_OPTION="-all-static"
else
AC_MSG_CHECKING(whether to link executables statically)
AC_ARG_ENABLE([static_link],
AS_HELP_STRING([--enable-static-link],
[link executables statically (default=no)]),
[static_link="$enableval"],
[static_link="no"])
if test "x$static_link" = "xyes"; then
AC_MSG_RESULT(yes)
LIB_LINK_OPTION="-all-static"
else
AC_MSG_RESULT(no)
fi
fi
AC_SUBST(LIB_LINK_OPTION)
#############################################################################
# Set list of output files to be created #
#############################################################################
AC_CONFIG_FILES([Makefile
src/Makefile
src/ctselect/Makefile
src/ctbin/Makefile
src/ctlike/Makefile
src/ctobssim/Makefile
src/ctskymap/Makefile
src/ctools-setup
test/Makefile
test/test_cscripts.sh
pyext/Makefile
pyext/setup.py
caldb/Makefile
models/Makefile
examples/Makefile
scripts/Makefile
ctools.pc],
[if test -f test/test_cscripts.sh; then chmod +x test/test_cscripts.sh; fi])
AC_OUTPUT
#############################################################################
# Print configuration summary to console #
#############################################################################
echo
echo " ctools configuration summary"
echo " =============================="
if test "x$has_gammalib" = "xyes"; then
echo " * GammaLib support (yes) ${LIBDIR_GAMMALIB} ${INCDIR_GAMMALIB}"
else
echo " - GammaLib support (no) no gammalib library found"
fi
if test "x$has_python" = "xyes"; then
echo " * Python (yes)"
else
echo " - Python (no)"
fi
if test "x$has_python_h" = "xyes"; then
echo " * Python.h (yes)"
else
echo " - Python.h (no)"
fi
if test "x$has_swig" = "xyes"; then
echo " * swig (yes)"
else
echo " - swig (no)"
fi
if test "x$has_wrappers" = "xyes"; then
echo " * Python wrappers (yes)"
else
echo " - Python wrappers (no)"
fi
# Dump Python binding information
if test "x$ac_enable_python_binding" = "xyes"; then
if test "x$has_python" = "xyes"; then
if test "x$has_python_h" = "xyes"; then
if test "x$has_wrappers" = "xyes"; then
if test "x$has_swig" = "xyes"; then
echo " * Make Python binding (yes) use swig for updates"
else
echo " * Make Python binding (yes) use wrappers"
fi
else
if test "x$has_swig" = "xyes"; then
echo " * Make Python binding (yes) use swig for building"
else
echo " - Make Python binding (no) swig required to build wrappers"
fi
fi
else
echo " - Make Python binding (no) Python.h not installed"
fi
else
echo " - Make Python binding (no) Python not installed"
fi
else
echo " - Make Python binding (no)"
fi
# Dump compile options
if test "x$enable_openmp" = "xyes"; then
echo " * Enable OpenMP (yes) (default)"
else
echo " - Enable OpenMP (no)"
fi
if test "x$enable_debug" = "xyes"; then
echo " * Compile in debug code (yes)"
else
echo " - Compile in debug code (no) (default)"
fi
if test "x$enable_profiling" = "xyes"; then
echo " * Enable code for profiling (yes)"
else
echo " - Enable code for profiling (no) (default)"
fi
# Dump next step information
echo
if test "x$has_gammalib" = "xyes"; then
echo "Now type 'make'"
echo
else
AC_MSG_ERROR([No suitable GammaLib library found. ctools require GammaLib
for compilation, so please install GammaLib before or provide the
location of the library and header files using the LDFLAGS and CPPFLAGS
environnment variables.])
fi