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Update ax_boost_base.m4 to latest from autoconf archive

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Updated to serial #45.
This is in preparation to a possible fix for issue #1435.
The use of AS_CASE requires autoconf-2.60 or later.
This commit is contained in:
William S Fulton 2019-04-11 19:42:40 +01:00
commit 892f0fdc6b
2 changed files with 133 additions and 125 deletions
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248
Tools/config/ax_boost_base.m4
View file

@ -1,5 +1,5 @@
# =========================================================================== # ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html # https://www.gnu.org/software/autoconf-archive/ax_boost_base.html
# =========================================================================== # ===========================================================================
# #
# SYNOPSIS # SYNOPSIS
@ -10,7 +10,7 @@
# #
# Test for the Boost C++ libraries of a particular version (or newer) # Test for the Boost C++ libraries of a particular version (or newer)
# #
# If no path to the installed boost library is given the macro searches # If no path to the installed boost library is given the macro searchs
# under /usr, /usr/local, /opt and /opt/local and evaluates the # under /usr, /usr/local, /opt and /opt/local and evaluates the
# $BOOST_ROOT environment variable. Further documentation is available at # $BOOST_ROOT environment variable. Further documentation is available at
# <http://randspringer.de/boost/index.html>. # <http://randspringer.de/boost/index.html>.
@ -33,7 +33,15 @@
# and this notice are preserved. This file is offered as-is, without any # and this notice are preserved. This file is offered as-is, without any
# warranty. # warranty.
#serial 26 #serial 45
# example boost program (need to pass version)
m4_define([_AX_BOOST_BASE_PROGRAM],
[AC_LANG_PROGRAM([[
#include <boost/version.hpp>
]],[[
(void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))]));
]])])
AC_DEFUN([AX_BOOST_BASE], AC_DEFUN([AX_BOOST_BASE],
[ [
@ -44,104 +52,121 @@ AC_ARG_WITH([boost],
or disable it (ARG=no) or disable it (ARG=no)
@<:@ARG=yes@:>@ ])], @<:@ARG=yes@:>@ ])],
[ [
if test "$withval" = "no"; then AS_CASE([$withval],
want_boost="no" [no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
elif test "$withval" = "yes"; then [yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
want_boost="yes" [want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
ac_boost_path=""
else
want_boost="yes"
ac_boost_path="$withval"
fi
], ],
[want_boost="yes"]) [want_boost="yes"])
AC_ARG_WITH([boost-libdir], AC_ARG_WITH([boost-libdir],
AS_HELP_STRING([--with-boost-libdir=LIB_DIR], [AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
[Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]), [Force given directory for boost libraries.
[ Note that this will override library path detection,
if test -d "$withval" so use this parameter only if default library detection fails
then and you know exactly where your boost libraries are located.])],
ac_boost_lib_path="$withval" [
else AS_IF([test -d "$withval"],
AC_MSG_ERROR(--with-boost-libdir expected directory name) [_AX_BOOST_BASE_boost_lib_path="$withval"],
fi [AC_MSG_ERROR([--with-boost-libdir expected directory name])])
], ],
[ac_boost_lib_path=""] [_AX_BOOST_BASE_boost_lib_path=""])
)
if test "x$want_boost" = "xyes"; then BOOST_LDFLAGS=""
boost_lib_version_req=ifelse([$1], ,1.20.0,$1) BOOST_CPPFLAGS=""
boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` AS_IF([test "x$want_boost" = "xyes"],
boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` AC_SUBST(BOOST_CPPFLAGS)
boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` AC_SUBST(BOOST_LDFLAGS)
if test "x$boost_lib_version_req_sub_minor" = "x" ; then ])
boost_lib_version_req_sub_minor="0"
fi
WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` # convert a version string in $2 to numeric and affect to polymorphic var $1
AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[
AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
_AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
_AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
[AC_MSG_ERROR([You should at least specify libboost major version])])
_AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
[_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
[_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
_AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor`
AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
])
dnl Run the detection of boost should be run only if $want_boost
AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
_AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
succeeded=no succeeded=no
AC_REQUIRE([AC_CANONICAL_HOST])
dnl On 64-bit systems check for system libraries in both lib64 and lib. dnl On 64-bit systems check for system libraries in both lib64 and lib.
dnl The former is specified by FHS, but e.g. Debian does not adhere to dnl The former is specified by FHS, but e.g. Debian does not adhere to
dnl this (as it rises problems for generic multi-arch support). dnl this (as it rises problems for generic multi-arch support).
dnl The last entry in the list is chosen by default when no libraries dnl The last entry in the list is chosen by default when no libraries
dnl are found, e.g. when only header-only libraries are installed! dnl are found, e.g. when only header-only libraries are installed!
libsubdirs="lib" AS_CASE([${host_cpu}],
ax_arch=`uname -m` [x86_64],[libsubdirs="lib64 libx32 lib lib64"],
case $ax_arch in [ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64],[libsubdirs="lib64 lib lib64"],
x86_64) [libsubdirs="lib"]
libsubdirs="lib64 libx32 lib lib64" )
;;
ppc64|s390x|sparc64|aarch64|ppc64le)
libsubdirs="lib64 lib lib64 ppc64le"
;;
esac
dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
dnl them priority over the other paths since, if libs are found there, they dnl them priority over the other paths since, if libs are found there, they
dnl are almost assuredly the ones desired. dnl are almost assuredly the ones desired.
AC_REQUIRE([AC_CANONICAL_HOST]) AS_CASE([${host_cpu}],
libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs" [i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
[multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
case ${host_cpu} in )
i?86)
libsubdirs="lib/i386-${host_os} $libsubdirs"
;;
esac
dnl first we check the system location for boost libraries dnl first we check the system location for boost libraries
dnl this location ist chosen if boost libraries are installed with the --layout=system option dnl this location ist chosen if boost libraries are installed with the --layout=system option
dnl or if you install boost with RPM dnl or if you install boost with RPM
if test "$ac_boost_path" != ""; then AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
BOOST_CPPFLAGS="-I$ac_boost_path/include" AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
for ac_boost_path_tmp in $libsubdirs; do AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then AC_MSG_RESULT([yes])
BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
break for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
fi AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
done AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[
elif test "$cross_compiling" != yes; then AC_MSG_RESULT([yes])
for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp";
if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then break;
for libsubdir in $libsubdirs ; do ],
if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi [AC_MSG_RESULT([no])])
done],[
AC_MSG_RESULT([no])])
],[
if test X"$cross_compiling" = Xyes; then
search_libsubdirs=$multiarch_libsubdir
else
search_libsubdirs="$multiarch_libsubdir $libsubdirs"
fi
for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
for libsubdir in $search_libsubdirs ; do
if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir" BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir"
BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
break; break;
fi fi
done done
fi ])
dnl overwrite ld flags if we have required special directory with dnl overwrite ld flags if we have required special directory with
dnl --with-boost-libdir parameter dnl --with-boost-libdir parameter
if test "$ac_boost_lib_path" != ""; then AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"],
BOOST_LDFLAGS="-L$ac_boost_lib_path" [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"])
fi
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)])
CPPFLAGS_SAVED="$CPPFLAGS" CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS export CPPFLAGS
@ -152,15 +177,7 @@ if test "x$want_boost" = "xyes"; then
AC_REQUIRE([AC_PROG_CXX]) AC_REQUIRE([AC_PROG_CXX])
AC_LANG_PUSH(C++) AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],[
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
succeeded=yes succeeded=yes
found_system=yes found_system=yes
@ -172,40 +189,50 @@ if test "x$want_boost" = "xyes"; then
dnl if we found no boost with system layout we search for boost libraries dnl if we found no boost with system layout we search for boost libraries
dnl built and installed without the --layout=system option or for a staged(not installed) version dnl built and installed without the --layout=system option or for a staged(not installed) version
if test "x$succeeded" != "xyes"; then if test "x$succeeded" != "xyes" ; then
CPPFLAGS="$CPPFLAGS_SAVED" CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED"
BOOST_CPPFLAGS= BOOST_CPPFLAGS=
BOOST_LDFLAGS= if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
BOOST_LDFLAGS=
fi
_version=0 _version=0
if test "$ac_boost_path" != ""; then if test -n "$_AX_BOOST_BASE_boost_path" ; then
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version` V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then if test "x$V_CHECK" = "x1" ; then
_version=$_version_tmp _version=$_version_tmp
fi fi
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
done done
dnl if nothing found search for layout used in Windows distributions dnl if nothing found search for layout used in Windows distributions
if test -z "$BOOST_CPPFLAGS"; then if test -z "$BOOST_CPPFLAGS"; then
if test -d "$ac_boost_path/boost" && test -r "$ac_boost_path/boost"; then if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
BOOST_CPPFLAGS="-I$ac_boost_path" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
fi fi
fi fi
dnl if we found something and BOOST_LDFLAGS was unset before
dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here.
if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then
for libsubdir in $libsubdirs ; do
if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir"
fi
fi fi
else else
if test "$cross_compiling" != yes; then if test "x$cross_compiling" != "xyes" ; then
for ac_boost_path in /usr /usr/local /opt /opt/local ; do for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version` V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then if test "x$V_CHECK" = "x1" ; then
_version=$_version_tmp _version=$_version_tmp
best_path=$ac_boost_path best_path=$_AX_BOOST_BASE_boost_path
fi fi
done done
fi fi
@ -213,7 +240,7 @@ if test "x$want_boost" = "xyes"; then
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
if test "$ac_boost_lib_path" = ""; then if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
for libsubdir in $libsubdirs ; do for libsubdir in $libsubdirs ; do
if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
@ -221,7 +248,7 @@ if test "x$want_boost" = "xyes"; then
fi fi
fi fi
if test "x$BOOST_ROOT" != "x"; then if test -n "$BOOST_ROOT" ; then
for libsubdir in $libsubdirs ; do for libsubdir in $libsubdirs ; do
if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
@ -230,7 +257,7 @@ if test "x$want_boost" = "xyes"; then
stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
V_CHECK=`expr $stage_version_shorten \>\= $_version` V_CHECK=`expr $stage_version_shorten \>\= $_version`
if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
BOOST_CPPFLAGS="-I$BOOST_ROOT" BOOST_CPPFLAGS="-I$BOOST_ROOT"
BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
@ -245,15 +272,7 @@ if test "x$want_boost" = "xyes"; then
export LDFLAGS export LDFLAGS
AC_LANG_PUSH(C++) AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],[
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
succeeded=yes succeeded=yes
found_system=yes found_system=yes
@ -262,17 +281,15 @@ if test "x$want_boost" = "xyes"; then
AC_LANG_POP([C++]) AC_LANG_POP([C++])
fi fi
if test "$succeeded" != "yes" ; then if test "x$succeeded" != "xyes" ; then
if test "$_version" = "0" ; then if test "x$_version" = "x0" ; then
AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]]) AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
else else
AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
fi fi
# execute ACTION-IF-NOT-FOUND (if present): # execute ACTION-IF-NOT-FOUND (if present):
ifelse([$3], , :, [$3]) ifelse([$3], , :, [$3])
else else
AC_SUBST(BOOST_CPPFLAGS)
AC_SUBST(BOOST_LDFLAGS)
AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
# execute ACTION-IF-FOUND (if present): # execute ACTION-IF-FOUND (if present):
ifelse([$2], , :, [$2]) ifelse([$2], , :, [$2])
@ -280,6 +297,5 @@ if test "x$want_boost" = "xyes"; then
CPPFLAGS="$CPPFLAGS_SAVED" CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED"
fi
]) ])

10
configure.ac
View file

@ -3,10 +3,7 @@ dnl The macros which aren't shipped with the autotools are stored in the
dnl Tools/config directory in .m4 files. dnl Tools/config directory in .m4 files.
AC_INIT([swig],[4.0.0],[http://www.swig.org]) AC_INIT([swig],[4.0.0],[http://www.swig.org])
AC_PREREQ(2.60)
dnl NB: When this requirement is increased to 2.60 or later, AC_PROG_SED
dnl definition below can be removed
AC_PREREQ(2.58)
AC_CONFIG_SRCDIR([Source/Swig/swig.h]) AC_CONFIG_SRCDIR([Source/Swig/swig.h])
AC_CONFIG_AUX_DIR([Tools/config]) AC_CONFIG_AUX_DIR([Tools/config])
@ -44,11 +41,6 @@ AC_CHECK_FUNC(popen, AC_DEFINE(HAVE_POPEN, 1, [Define if popen is available]), A
fi fi
dnl PCRE dnl PCRE
dnl AX_PATH_GENERIC() relies on AC_PROG_SED() but it is defined only in
dnl autoconf 2.60 so trivially predefine it ourselves for the older versions
m4_ifdef([AC_PROG_SED],, [AC_DEFUN([AC_PROG_SED], [AC_PATH_PROG([SED], sed)])])
AC_ARG_WITH([pcre], AC_ARG_WITH([pcre],
[AS_HELP_STRING([--without-pcre], [AS_HELP_STRING([--without-pcre],
[Disable support for regular expressions using PCRE])], [Disable support for regular expressions using PCRE])],