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configure.ac
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configure.ac
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#############################################################################
# Configuration for GammaLib - a versatile toolbox for high-level analysis #
# of astronomical gamma-ray data #
# ------------------------------------------------------------------------- #
# Copyright (C) 2006-2022 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([gammalib], [2.1.0.dev], [[email protected]], [gammalib])
AC_CONFIG_SRCDIR([src/support/GTools.cpp])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([.])
AM_INIT_AUTOMAKE([gnu no-dependencies -Wno-portability subdir-objects foreign])
#AM_INIT_AUTOMAKE([gnu no-dependencies -Wno-portability subdir-objects serial-tests foreign])
AC_CONFIG_HEADER([config.h])
#############################################################################
# Library versioning (current:revision:age) #
# ------------------------------------------------------------------------- #
# Here are a set of rules to update your library version information: #
# 1. Update the version information only immediately before a public #
# release of your software. More frequent updates are unnecessary, #
# and only guarantee that the current interface number gets larger #
# faster. #
# 2. If the library source code has changed at all since the last update, #
# then increment revision. #
# 3. If any interfaces have been added, removed, or changed since the last #
# update, increment current, and set revision to 0. #
# 4. If any interfaces have been added since the last public release, then #
# increment age. #
# 5. If any interfaces have been removed or changed since the last public #
# release, then set age to 0. #
#############################################################################
GAMMALIB_LT_VERSION="9:0:0"
AC_SUBST(GAMMALIB_LT_VERSION)
#############################################################################
# Set prefix #
# ------------------------------------------------------------------------- #
# By default, GammaLib gets installed into "/usr/local/gamma". The default #
# can be overwritten using the --prefix option. #
#############################################################################
AC_PREFIX_DEFAULT([/usr/local/gamma])
if test "x$prefix" = xNONE; then
gammalib_prefix="/usr/local/gamma"
else
gammalib_prefix=${prefix}
fi
AC_DEFINE_UNQUOTED([PACKAGE_PREFIX], "${gammalib_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. #
# #
# A special kluge was added for Mac OS X >=10.7. As Apple switched to clang #
# we search from this version on for the clang compiler. #
# #
# We also signal whether Mac OS X >=10.9 (Mavericks) and Mac OS X >=10.11 #
# (El Capitan). #
#############################################################################
# Set default Mac OS X version flags
osx_lion=no
osx_mavericks=no
osx_el_capitan=no
# Set default compiler lists
cxx_list="g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++"
cc_list="gcc cc cl.exe clang"
# Check if we have Mac OS X >= 10.7, >= 10.9 and >= 10.11
if test `uname -s` = "Darwin"; then
version=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/' | sed -e 's/\.//g'`
if [ test $version -ge 107 ]; then
cxx_list="clang++ g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC"
cc_list="clang gcc cc cl.exe"
osx_lion=yes
fi
if [ test $version -ge 109 ]; then
osx_mavericks=yes
fi
if [ test $version -ge 1011 ]; then
osx_el_capitan=yes
fi
if [ test $version -ge 110 ]; then
osx_el_capitan=yes
fi
fi
AC_MSG_CHECKING([for Mac OS X >= 10.7])
if [test "x$osx_lion" = "xyes"]; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([for Mac OS X >= 10.9])
if [test "x$osx_mavericks" = "xyes"]; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([for Mac OS X >= 10.11])
if [test "x$osx_el_capitan" = "xyes"]; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AM_CONDITIONAL(IS_ELCAPITAN, test "x$osx_el_capitan" = "xyes")
# Our language is C++
AC_LANG(C++)
AC_PROG_CXX($cxx_list)
AC_PROG_CC($cc_list)
#############################################################################
# Darwin option: Determine architecture of universal library to be built #
# ------------------------------------------------------------------------- #
# --with-univeral-archs=VALUE, where VALUE is one of: #
# 32-bit - ppc, i386 #
# 64-bit - ppc64, x86_64 #
# 3-way - ppc, i386, x86_64 (default) #
# intel - i386, x86_64 #
# all - ppc, ppc64, i386, x86_64 #
#############################################################################
UNIVERSAL_ARCHS="3-way"
AC_SUBST(LIPO_32BIT_FLAGS)
AC_MSG_CHECKING(for --with-universal-archs)
AC_ARG_WITH(universal-archs,
AS_HELP_STRING([--with-universal-archs=ARCH],
[select architectures for universal build ("32-bit", "64-bit", "3-way", "intel", or "all")]),
[
AC_MSG_RESULT($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 10.4 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)
#############################################################################
# Determine values of RTLD_GLOBAL and RTLD_NOW #
#############################################################################
AX_DLFLAGS(RTLD_GLOBAL)
AX_DLFLAGS(RTLD_NOW)
#############################################################################
# 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. x86_64
# support is only available in SDK 10.5, hence any build including
# a x86_64 target needs 10.5. i386 came in in SDK 10.4, hence we
# need 10.4 for a 32-bit 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${cur_target}.sdk])
fi
;;
esac
# Set compile, link and pre-processor flags dependent on architecture
if test "${enable_universalsdk}"; then
# 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="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET"
export MACOSX_DEPLOYMENT_TARGET
EXPORT_MACOSX_DEPLOYMENT_TARGET=''
UNIVERSAL_ARCH_FLAGS=""
if test "$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=ppc|i386|ppc64|x86_64|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} ${LDFLAGS}"
fi
#fi
;;
esac
#############################################################################
# Checks for optional instrument specific interfaces #
#############################################################################
# Checks for the existence of instrument specific interfaces
AC_CHECK_FILE([$srcdir/inst/README.md],
[with_inst=yes],
[with_inst=no])
AM_CONDITIONAL([WITH_INST], [test "x$with_inst" = "xyes"])
# Checks for MWL interface
AC_ARG_WITH([mwl],
[AS_HELP_STRING([--with-mwl],
[compile in multi-wavelength interface [default=yes]])],
[],
[with_mwl=yes])
if test "x$with_mwl" = "xyes"; then
AC_CHECK_FILE([$srcdir/inst/mwl/README.md],
[with_mwl=yes],
[with_mwl=no])
fi
AM_CONDITIONAL(WITH_INST_MWL, test "x$with_mwl" = "xyes")
# Checks for CTA interface
AC_ARG_WITH([cta],
[AS_HELP_STRING([--with-cta],
[compile in CTA specific interface [default=yes]])],
[],
[with_cta=yes])
if test "x$with_cta" = "xyes"; then
AC_CHECK_FILE([$srcdir/inst/cta/README.md],
[with_cta=yes],
[with_cta=no])
fi
AM_CONDITIONAL(WITH_INST_CTA, test "x$with_cta" = "xyes")
# Checks for LAT interface
AC_ARG_WITH([lat],
[AS_HELP_STRING([--with-lat],
[compile in LAT specific interface [default=yes]])],
[],
[with_lat=yes])
if test "x$with_lat" = "xyes"; then
AC_CHECK_FILE([$srcdir/inst/lat/README.md],
[with_lat=yes],
[with_lat=no])
fi
AM_CONDITIONAL(WITH_INST_LAT, test "x$with_lat" = "xyes")
# Checks for COMPTEL interface
AC_ARG_WITH([com],
[AS_HELP_STRING([--with-com],
[compile in COMPTEL specific interface [default=yes]])],
[],
[with_com=yes])
if test "x$with_com" = "xyes"; then
AC_CHECK_FILE([$srcdir/inst/com/README.md],
[with_com=yes],
[with_com=no])
fi
AM_CONDITIONAL(WITH_INST_COM, test "x$with_com" = "xyes")
# Checks for SPI interface
AC_ARG_WITH([spi],
[AS_HELP_STRING([--with-spi],
[compile in SPI specific interface [default=yes]])],
[],
[with_spi=yes])
if test "x$with_spi" = "xyes"; then
AC_CHECK_FILE([$srcdir/inst/spi/README.md],
[with_spi=yes],
[with_spi=no])
fi
AM_CONDITIONAL(WITH_INST_SPI, test "x$with_spi" = "xyes")
# Insert new checks here
#############################################################################
# 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 for library functions #
#############################################################################
# AC_CHECK_LIB(m, sincos, [AC_DEFINE([HAVE_SINCOS],[1],[Define to 1 if your system has `sincos'.])])
#############################################################################
# Checks for country code #
#############################################################################
AC_COUNTRY_CODE
#############################################################################
# Checks for NaN/Inf checking option (G_NAN_CHECK) #
#############################################################################
AC_MSG_CHECKING(whether to enable NaN/Inf checking)
AC_ARG_ENABLE([nan_check],
AS_HELP_STRING([--enable-nan-check],
[performs NaN/Inf checking [default=yes]]),
[NAN_CHECK="$enableval"],
[NAN_CHECK="yes"])
if test "x$NAN_CHECK" = "xyes"; then
AC_DEFINE([G_NAN_CHECK], [1], [Define if NaN/Inf checking should be performed])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Checks for Range checking option (G_RANGE_CHECK) #
#############################################################################
AC_MSG_CHECKING(whether to enable range checking)
AC_ARG_ENABLE([range_check],
AS_HELP_STRING([--enable-range-check],
[performs index range checking [default=yes]]),
[RANGE_CHECK="$enableval"],
[RANGE_CHECK="yes"])
if test "x$RANGE_CHECK" = "xyes"; then
AC_DEFINE([G_RANGE_CHECK], [1], [Define if range checking should be performed])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Checks for Small memory option (G_SMALL_MEMORY) #
#############################################################################
AC_MSG_CHECKING(whether to enable small memory option)
AC_ARG_ENABLE([small_memory],
AS_HELP_STRING([--enable-small-memory],
[optimizes code for small memory [default=yes]]),
[SMALL_MEMORY="$enableval"],
[SMALL_MEMORY="yes"])
if test "x$SMALL_MEMORY" = "xyes"; then
AC_DEFINE([G_SMALL_MEMORY], [1], [Define if small memory optimization is selected])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Checks for Legacy XML format option (G_LEGACY_XML_FORMAT) #
#############################################################################
AC_MSG_CHECKING(whether to support legacy XML format option)
AC_ARG_ENABLE([legacy_xml_format],
AS_HELP_STRING([--enable-legacy-xml-format],
[support legacy XML format [default=yes]]),
[LEGACY_XML_FORMAT="$enableval"],
[LEGACY_XML_FORMAT="yes"])
if test "x$LEGACY_XML_FORMAT" = "xyes"; then
AC_DEFINE([G_LEGACY_XML_FORMAT], [1], [Legacy XML format is supported])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Checks for Warning option (G_WARNINGS) #
#############################################################################
AC_MSG_CHECKING(whether to enable console warnings)
AC_ARG_ENABLE([small_memory],
AS_HELP_STRING([--enable-warnings],
[write warnings to console [default=yes]]),
[WARNINGS="$enableval"],
[WARNINGS="yes"])
if test "x$WARNINGS" = "xyes"; then
AC_DEFINE([G_WARNINGS], [1], [Define if warnings should be written to console])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#############################################################################
# Checks for OpenMP checking option (G_OPENMP) #
#############################################################################
# Initialise flags
openmp_ok=no
darwin_kluge=no
# 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
# If OpenMP is available
if test "x$openmp_ok" = "xyes" ; then
# Special Linux test to detect shared libgomp libraries that can not be loaded
# dynamically
if test "$OPENMP_CXXFLAGS" = "-fopenmp" -a "$ac_sys_system" = "Linux"; then
AC_MSG_CHECKING(whether we can dynamically load libgomp)
SAVED_LIBS=$LIBS
LIBS="-ldl"
AC_TRY_RUN(AC_LANG_PROGRAM([#include <dlfcn.h>],
[if (dlopen("libgomp.so.1", RTLD_NOW) == 0) return 1;]),
[AC_MSG_RESULT(yes)],
[enable_openmp="no"
AC_MSG_RESULT(no)
AC_MSG_WARN([OpenMP detected but shared libgomp.so.1 library cannot be dlopen()ed.])
AC_MSG_WARN([If you use a gcc 4.2.x compiler, this is a known feature. Try to use gcc >= 4.3.])])
LIBS=$SAVED_LIBS
fi
# Special Darwin test to see whether OpenMP compiles without adding the
# gomp_thread_attr global or whether we need to add this global.
if test "$ac_sys_system" = "Darwin"; then
AC_MSG_CHECKING(whether we need to add gomp_thread_attr)
SAVED_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
AC_TRY_RUN(AC_LANG_PROGRAM([#include <omp.h>],
[omp_set_num_threads(1);]),
[AC_MSG_RESULT(no)],
[AC_TRY_RUN(AC_LANG_PROGRAM([#include <omp.h>;
#include <pthread.h>;
pthread_attr_t gomp_thread_attr;],
[omp_set_num_threads(1);]),
[AC_MSG_RESULT(yes)
darwin_kluge="yes"
AC_DEFINE([HAVE_OPENMP_DARWIN_KLUGE], [1], [Define if OpenMP Darwin kluge is needed])],
[AC_MSG_RESULT(no)
AC_MSG_WARN([Do not manage to compile OpenMP.])])])
CXXFLAGS=$SAVED_CXXFLAGS
fi
# Signal actual test
AC_MSG_CHECKING(whether to enable OpenMP)
# Check whether OpenMP should be enabled
AC_ARG_ENABLE([openmp],
AS_HELP_STRING([--enable-openmp],
[turn on OpenMP support [default=yes]]),
[enable_openmp="$enableval"],
[enable_openmp="yes"])
# Set compiler flags accordingly
if test "x$enable_openmp" = "xyes"; then
CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
AC_DEFINE([HAVE_OPENMP], [1], [Define if OpenMP is enabled])
AC_MSG_RESULT(yes)
else
enable_openmp=no
AC_MSG_RESULT(no)
fi
fi
AM_CONDITIONAL(OPENMP, test "x$openmp_ok" = "xyes" && test "x$enable_openmp" = "xyes")
AC_SUBST(OPENMP_CXXFLAGS)
# Set system specific settings
OPENMP_LIB_LDFLAGS=
#if test "x$enable_openmp" = "xyes"; then
# case $ac_sys_system/$ac_sys_release in
# Darwin/*)
# OPENMP_LIB_LDFLAGS=-lgomp
# ;;
# esac
#fi
AC_SUBST(OPENMP_LIB_LDFLAGS)
#############################################################################
# Checks if Python bindings are to be build #
# ------------------------------------------------------------------------- #
# Python binding requires Python and either the files gammalib_wrap.cpp and #
# gammalib.py or swig to create these files. The following conditionals #
# are set: #
# WITH_PYTHON - Python bindings will be built #
# HAVE_SWIG - swig is available #
# HAVE_WRAPPERS - wrappers are available #
# BUILD_WRAPPERS - build the Python wrappers #
#############################################################################
# Initialise flags
enable_python="no"
has_python="no"
has_python_h="no"
has_swig="no"
has_wrappers="no"
build_wrappers="no"
# Check if the code is a git clone. In that case the systems switches to
# developer mode which forces building of the Python interface with SWIG.
AC_CHECK_FILE([.git/HEAD],
[from_git=yes;build_wrappers="yes"],
[from_git=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 gammalib will not be built])
AC_MSG_NOTICE([Enable Python binding module building with --enable-python-binding])
else
# Do we have Python and Python.h?
AM_PATH_PYTHON([2.3],
[has_python="yes"],
[AC_MSG_WARN([Python >= 2.3 not found. Python >= 2.3 is required to build python binding. Python can be obtained from http://www.python.org])])
# It would really be weired if Python has not been found, as barely every system has Python. Maybe
# it was not found because the autoconf is so old, and in an early version of the AM_PATH_PYTHON
# there were no [Action-if-found] and [Action-if-not-found] arguments, hence $has_python is possibly
# badly set. However, the Python executable and version should be set correctly, and we can test
# for this to see whether Python is really there or not.
if test "x$has_python" = "xno"; then
AM_PYTHON_CHECK_VERSION([$PYTHON], [${PYTHON_VERSION}],
[has_python="yes"
AC_MSG_NOTICE([Wow! You're running a pretty old system. Found Python nevertheless:-)])],
[AC_MSG_WARN([Python not found.])])
fi
# If we have Python then verify the presence of the header and set some flags
if test "x$has_python" = "xyes"; then
# Set opening and closing symbols to make setup.py compatible for versions 2 and 3
if test ${PYTHON_VERSION} '<' 3; then
PYTHON_OPEN=" "
PYTHON_CLOSE=""
else
PYTHON_OPEN="("
PYTHON_CLOSE=")"
fi
AC_SUBST(PYTHON_OPEN)
AC_SUBST(PYTHON_CLOSE)
# Do we have distutils?
AC_MSG_CHECKING([for the distutils Python package])
ac_distutils_result=`$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
# Get Python path
python_path=`$PYTHON -c "import distutils.sysconfig; \
print(distutils.sysconfig.get_python_inc());"`
if test -n "${python_path}"; then
SAVED_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$python_path"
AC_CHECK_HEADERS($python_path/Python.h, [has_python_h="yes"], [has_python_h="no"])
CPPFLAGS=$SAVED_CPPFLAGS
python_path="-I$python_path"
fi
PYTHON_CPPFLAGS=$python_path
AC_SUBST([PYTHON_CPPFLAGS])
# If we have Mavericks then get the MACOSX_DEPLOYMENT_TARGET from Python
# If the target is older than Mavericks then set the MACOSX_DEPLOYMENT_TARGET
# to this value as otherwise we get trouble with name mangling, which has
# changed from Mac OS X 10.9 on.
if [test "x$osx_mavericks" = "xyes"]; then
AC_MSG_CHECKING([Python MACOSX_DEPLOYMENT_TARGET])
python_target=`$PYTHON -c "from distutils import sysconfig; \
print(sysconfig.get_config_vars()[['MACOSX_DEPLOYMENT_TARGET']]);" 2> /dev/null`
python_compact_target=`echo $python_target | sed 's/\(10\.[[0-9]]*\).*/\1/' | sed -e 's/\.//g'`
case $python_compact_target in
(*[!0-9]*|'')
AC_MSG_RESULT(unknown)
;;
(*)
AC_MSG_RESULT(${python_target})
if [ test $python_compact_target -le 108 ]; then
CONFIGURE_MACOSX_DEPLOYMENT_TARGET="$python_target"
MACOSX_DEPLOYMENT_TARGET="$python_target"
export MACOSX_DEPLOYMENT_TARGET
EXPORT_MACOSX_DEPLOYMENT_TARGET=''
LIBS="${LIBS} -lstdc++"
AC_MSG_NOTICE([set MACOSX_DEPLOYMENT_TARGET to ${python_target}])
fi
;;
esac
fi
# ... 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$PYTHON_VERSION"
# Check if we have Python.h
SAVED_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$PY_INCLUDE"
AC_CHECK_HEADERS($PY_INCLUDE/Python.h, [has_python_h="yes"], [has_python_h="no"])
CPPFLAGS=$SAVED_CPPFLAGS
fi
fi
# Do we have swig?
AC_PATH_PROG([SWIG], [swig])
if test "$SWIG"; then
has_swig="yes"
fi
# Do we have Python wrappers
has_wrappers="yes"
AC_CHECK_FILES([$srcdir/pyext/gammalib/app_wrap.cpp
$srcdir/pyext/gammalib/app.py
$srcdir/pyext/gammalib/base_wrap.cpp