AC_CHECK_LIB() was running gcc -Llib -lm -lutils conftest.c which on
platforms that do as needed operations by default will result in
underlinking. Instead AC_CHECK_LIB() suggests supplying the extra
libraries necessary in a 5th argument.
Signed-off-by: Doug Goldstein <car...@cardoe.com>
---
CC: Ian Jackson <ian.jack...@eu.citrix.com>
CC: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
CC: Ian Campbell <ian.campb...@citrix.com>
CC: Wei Liu <wei.l...@citrix.com>
change since v1:
- don't screw up the white space
---
m4/python_devel.m4 | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/m4/python_devel.m4 b/m4/python_devel.m4
index deff19e..05ea4ef 100644
--- a/m4/python_devel.m4
+++ b/m4/python_devel.m4
@@ -10,9 +10,9 @@ AS_IF([test x"$pyconfig" = x"no"], [
print "-I" + distutils.sysconfig.get_config_var("INCLUDEPY")'`"
CPPFLAGS="$CPPFLAGS `$PYTHON -c 'import distutils.sysconfig; \
print distutils.sysconfig.get_config_var("CFLAGS")'`"
- LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+ PYTHON_LIBS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
print distutils.sysconfig.get_config_var("LIBS")'`"
- LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+ PYTHON_LIBS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
print distutils.sysconfig.get_config_var("SYSLIBS")'`"
LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
print "-L" + distutils.sysconfig.get_python_lib(plat_specific=1,\
@@ -25,12 +25,14 @@ AS_IF([test x"$pyconfig" = x"no"], [
dnl If python-config is found use it
CPPFLAGS="$CFLAGS `$PYTHON-config --cflags`"
LDFLAGS="$LDFLAGS `$PYTHON-config --ldflags`"
+ PYTHON_LIBS="$LIBS `$PYTHON-config --libs`"
])
AC_CHECK_HEADER([Python.h], [],
[AC_MSG_ERROR([Unable to find Python development headers])],)
AC_CHECK_LIB(python$ac_python_version, PyArg_ParseTuple, [],
- [AC_MSG_ERROR([Unable to find a suitable python development library])])
+ [AC_MSG_ERROR([Unable to find a suitable python development library])],
+ [$PYTHON_LIBS])
CPPFLAGS=$ac_previous_cppflags
LDFLAGS=$ac_previous_ldflags
])
--
2.4.10
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