1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
AC_INIT(vpp_plugins, 1.0)
LT_INIT
AM_INIT_AUTOMAKE
AM_SILENT_RULES([yes])
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])
])
AC_DEFUN([ENABLE_ARG],
[
AC_ARG_ENABLE($1,
AC_HELP_STRING(patsubst([--enable-$1],[_],[-]), $2),
[enable_$1=yes n_enable_$1=1],
[enable_$1=no n_enable_$1=0])
AM_CONDITIONAL(m4_toupper(ENABLE_$1), test "$enable_$1" = "yes")
m4_append([list_of_enabled], [$1], [, ])
])
CC_CHECK_FLAG("-Wno-address-of-packed-member")
AS_IF([test "$cc_flag_check" = yes],
[CFLAGS="${CFLAGS} -Wno-address-of-packed-member"], [])
AC_OUTPUT([Makefile])
AC_CONFIG_MACRO_DIR([m4])
|