diff options
| -rw-r--r-- | src/examples/sample-plugin/configure.ac | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/examples/sample-plugin/configure.ac b/src/examples/sample-plugin/configure.ac index 204da2fe1de..588e7dd16b9 100644 --- a/src/examples/sample-plugin/configure.ac +++ b/src/examples/sample-plugin/configure.ac @@ -6,6 +6,26 @@ AC_PREFIX_DEFAULT([/usr]) AC_PROG_CC +# Check if compiler supports specific flag +AC_DEFUN([CC_CHECK_FLAG], +[ + AC_MSG_CHECKING([if $CC supports $1]) + AC_LANG_PUSH([C]) + ac_saved_cflags="$CFLAGS" + CFLAGS="-Werror $1" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], + [cc_flag_check=yes], + [cc_flag_check=no] +) + AC_MSG_RESULT([$cc_flag_check]) + CFLAGS="$ac_saved_cflags" + AC_LANG_POP([C]) +]) + +CC_CHECK_FLAG("-Wno-address-of-packed-member") +AS_IF([test "$cc_flag_check" = yes], + [CFLAGS="${CFLAGS} -Wno-address-of-packed-member"], []) + AC_OUTPUT([Makefile]) AC_CONFIG_MACRO_DIR([m4]) |