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Fix sample-plugin build with newer clang versions

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Change-Id: Id90e6fb1211b7789e6e3df0b6579c4757e7fdfa6
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2018-04-25 00:56:08 +02:00
parent 435f500215
commit de02414c3d
1 changed files with 20 additions and 0 deletions
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20
src/examples/sample-plugin/configure.ac
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@ -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])