diff options
| author | Alan Coopersmith <alan.coopersmith@sun.com> | 2009-09-15 21:13:00 -0700 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2009-09-17 10:06:37 +1000 |
| commit | 715953bf5c00b4605dd6ab45c92140c0e81174ee (patch) | |
| tree | 480943d04e4d53fe8cf24d0b7b728463c3248f92 /configure.ac | |
| parent | e2c64551808988657069006f74c6780973ec0557 (diff) | |
Check for -wrap support in the linker
Allows unit tests to be built with non-gnu-linkers that
also have -wrap support
Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index f13ec5c76..89836971b 100644 --- a/configure.ac +++ b/configure.ac @@ -1173,20 +1173,45 @@ if test "x$DEBUGGING" = xyes; then fi AM_CONDITIONAL(DEBUG, [test "x$DEBUGGING" = xyes]) +# If unittests aren't explicitly disabled, check for required support +if test "x$UNITTESTS" != xno ; then + PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.16], + [HAVE_GLIB=yes], [HAVE_GLIB=no]) + + # Check if linker supports -wrap, passed via compiler flags + # When cross-compiling, reports no, since unit tests run from + # "make check", so would be running on build machine, not target + AC_MSG_CHECKING([whether the linker supports -wrap]) + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-wrap,exit" + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ + void __wrap_exit (int s) + { + __real_exit (0); + }]], + [[exit (1);]])], + [linker_can_wrap="yes"], + [linker_can_wrap="no"], + [linker_can_wrap="no"]) + AC_MSG_RESULT([$linker_can_wrap]) + LDFLAGS="$save_LDFLAGS" +fi + if test "x$UNITTESTS" = xauto; then - PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.16], [HAVE_GLIB=yes], [HAVE_GLIB=no]) - if test "x$HAVE_GLIB" = xyes && test "x$with_gnu_ld" = xyes; then + if test "x$HAVE_GLIB" = xyes && test "x$linker_can_wrap" = xyes; then UNITTESTS=yes else UNITTESTS=no fi fi if test "x$UNITTESTS" = xyes; then - AC_DEFINE(UNITTESTS, 1, [Enable unit tests]) - PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.16]) - if test "x$with_gnu_ld" = xno; then - AC_MSG_ERROR([GNU ld required to build unit tests]) + if test "x$HAVE_GLIB" = xno; then + AC_MSG_ERROR([glib required to build unit tests]) fi + if test "x$linker_can_wrap" = xno; then + AC_MSG_ERROR([ld -wrap support required to build unit tests]) + fi + AC_DEFINE(UNITTESTS, 1, [Enable unit tests]) AC_SUBST([GLIB_LIBS]) AC_SUBST([GLIB_CFLAGS]) fi |