diff options
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac index f323db2..1a3e285 100644 --- a/configure.ac +++ b/configure.ac @@ -95,16 +95,18 @@ dnl Check for -Wl,--no-undefined or -Wl,-undefined,error support dnl =========================== AC_LANG_PUSH([C++]) TMP_CXXFLAGS="$CXXFLAGS" -AC_MSG_CHECKING([whether CXX supports '-Wl,--no-undefined']) -CXXFLAGS="-Wall -Werror -Wl,--no-undefined" -AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], +TMP_LDFLAGS="$LDFLAGS" +AC_MSG_CHECKING([whether linker supports '-Wl,-no-undefined']) +CXXFLAGS="-Wall -Werror" +LDFLAGS="-no-undefined" +AC_LINK_IFELSE([AC_LANG_PROGRAM([])], [ AC_MSG_RESULT([yes]) - NO_UNDEFINED_PARAM=-Wl,--no-undefined + NO_UNDEFINED_PARAM=-Wl,-no-undefined ], [ AC_MSG_RESULT([no]) - AC_MSG_CHECKING([whether CXX supports '-Wl,-undefined,error']) - CXXFLAGS="-Wall -Werror -Wl,-undefined,error" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], + AC_MSG_CHECKING([whether linker supports '-Wl,-undefined,error']) + LDFLAGS="-undefined,error" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], [AC_MSG_RESULT([yes]) NO_UNDEFINED_PARAM=-Wl,-undefined,error ], @@ -115,6 +117,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], ] ) CXXFLAGS="$TMP_CXXFLAGS" +LDFLAGS="$TMP_LDFLAGS" AC_LANG_POP([C++]) dnl =========================== |