diff options
Diffstat (limited to 'src/modules/rlm_python3/configure.ac')
| -rw-r--r-- | src/modules/rlm_python3/configure.ac | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/modules/rlm_python3/configure.ac b/src/modules/rlm_python3/configure.ac new file mode 100644 index 0000000..208580d --- /dev/null +++ b/src/modules/rlm_python3/configure.ac @@ -0,0 +1,113 @@ +AC_PREREQ([2.68]) +AC_INIT([rlm_python3.c]) +AC_REVISION($Revision$) +FR_INIT_MODULE([rlm_python3], [support for embedded Python3]) + +if test x$with_[]modname != xno; then + + AC_PROG_CC + AC_PROG_CPP + AM_PATH_PYTHON([3.0],, [:]) + + dnl extra argument: --with-rlm-python3-config-bin + PYTHON3_CONFIG_BIN= + AC_ARG_WITH(rlm-python3-config-bin, + [ --with-rlm-python3-config-bin=PATH Path to python-config3 binary []], + [ case "$withval" in + no) + AC_MSG_ERROR(Need rlm-python3-config-bin) + ;; + yes) + ;; + *) + PYTHON3_CONFIG_BIN="$withval" + ;; + esac ] + ) + + if test "x$PYTHON3_CONFIG_BIN" = x; then + AC_CHECK_PROGS(PYTHON3_CONFIG_BIN, [ python3-config ], not-found, [${PATH}:/usr/bin:/usr/local/bin]) + fi + + if test "x$PYTHON3_CONFIG_BIN" = xnot-found; then + fail="$fail python3-config" + else + dnl # + dnl # It is necessary due to a weird behavior with 'python3-config' + dnl # + old_CFLAGS="$CFLAGS" + unset CFLAGS + + python3_cflags=`${PYTHON3_CONFIG_BIN} --cflags` + AC_MSG_NOTICE([${PYTHON3_CONFIG_BIN}'s cflags were \"${python3_cflags}\"]) + + dnl # Convert -I to -isystem to get rid of warnings about issues in Python headers + dnl # Strip -systemroot + dnl # Strip optimisation flags (-O[0-9]?). We decide our optimisation level, not python. + dnl # -D_FORTIFY_SOURCE needs -O. + dnl # Strip debug symbol flags (-g[0-9]?). We decide on debugging symbols, not python + dnl # Strip -W*, we decide what warnings are important + dnl # Strip -DNDEBUG + dnl # Strip -frecord-gcc-switches, We decide if we need that, not python. + dnl # Strip -specs=/path/whatever.specs, We don't need the compiler .specs that comes from Python + dnl # Strip -ffat-lto-objects, We decide if we need that, not python. + dnl # Strip -flto=auto, We decide if we need that, not python. + mod_cflags=`echo " $python3_cflags" | sed -e '\ + s/ -I/ -isystem/g;\ + s/ -isysroot[[ =]]\{0,1\}[[^-]]*/ /g;\ + s/ -O[[^[[:blank:]]]]*/ /g;\ + s/ -Wp,-D_FORTIFY_SOURCE=[[[:digit:]]]/ /g;\ + s/ -g[[^ ]]*/ /g;\ + s/ -W[[^ ]]*/ /g;\ + s/ -DNDEBUG[[[:blank:]]]*/ /g;\ + s/ -frecord-gcc-switches/ /g;\ + s/ -specs=[[^ ]]*/ /g; \ + s/ -ffat-lto-objects/ /g; \ + s/ -flto=[[^ ]]*/ /g; + '` + AC_MSG_NOTICE([Sanitized cflags were \"${mod_cflags}\"]) + + dnl # From python 3.8, --embed is required + dnl # https://bugs.python.org/issue36721 + AX_COMPARE_VERSION(${PYTHON_VERSION}, [ge], [3.8], [EMBED="--embed"], []) + + python3_ldflags=`${PYTHON3_CONFIG_BIN} --ldflags $EMBED` + AC_MSG_NOTICE([${PYTHON3_CONFIG_BIN}'s ldflags were \"$python3_ldflags}\"]) + + dnl # Strip -Wl,-O1... Is -O even a valid linker flag?? + dnl # Strip -Wl,-Bsymbolic-functions as thats not always supported or required + dnl # Strip -Xlinker -export-dynamic as it causes weird linking issues on Linux + dnl # See: https://bugs.python.org/issue36508 + mod_ldflags=`echo $python3_ldflags | sed -e '\ + s/-Wl,-O[[[:digit:]]][[[:blank:]]]*//g;\ + s/-Wl,-Bsymbolic-functions[[[:blank:]]]*//g;\ + s/-Xlinker -export-dynamic//g;\ + s/-Wl,-stack_size,[[[:digit:]]]*[[[:blank:]]]//g; + '` + AC_MSG_NOTICE([Sanitized ldflags were \"${mod_ldflags}\"]) + + CFLAGS=$old_CFLAGS + + targetname="rlm_python3" + fi + AC_CHECK_FUNCS([dl_iterate_phdr]) +else + targetname= + echo \*\*\* module modname is disabled. +fi + +if test x"$fail" != x""; then + if test x"${enable_strict_dependencies}" = x"yes"; then + AC_MSG_ERROR([set --without-]modname[ to disable it explicitly.]) + else + AC_MSG_WARN([silently not building ]modname[.]) + AC_MSG_WARN([FAILURE: ]modname[ requires: $fail.]); + targetname="" + fi +fi + +AC_CONFIG_HEADER(config.h) +AC_SUBST(mod_ldflags) +AC_SUBST(mod_cflags) +AC_SUBST(targetname) +AC_OUTPUT(all.mk) |