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authorMike Blumenkrantz <michael.blumenkrantz@gmail.com>2012-08-03 08:44:16 +0000
committerMike Blumenkrantz <michael.blumenkrantz@gmail.com>2012-08-03 08:44:16 +0000
commitfc7c17a2577565ab752b95d3d656cbaf03746910 (patch)
tree0861562fa95ecbf900d6e56e602bf63b86869134
parentfa76e9bb1546475673fdfd16bbf05839b2e826b9 (diff)
forgot to add required m4 file...
SVN revision: 74824
-rw-r--r--m4/efl_compiler_flag.m457
1 files changed, 57 insertions, 0 deletions
diff --git a/m4/efl_compiler_flag.m4 b/m4/efl_compiler_flag.m4
new file mode 100644
index 0000000..25c285d
--- /dev/null
+++ b/m4/efl_compiler_flag.m4
@@ -0,0 +1,57 @@
1dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
2dnl and Albin Tonnerre <albin dot tonnerre at gmail dot com>
3dnl That code is public domain and can be freely used or copied.
4
5dnl Macro that checks if a compiler flag is supported by the compiler.
6
7dnl Usage: EFL_COMPILER_FLAG(flag)
8dnl flag is added to CFLAGS if supported.
9
10AC_DEFUN([EFL_COMPILER_FLAG],
11[
12
13CFLAGS_save="${CFLAGS}"
14CFLAGS="${CFLAGS} $1"
15
16AC_LANG_PUSH([C])
17AC_MSG_CHECKING([whether the compiler supports $1])
18
19AC_COMPILE_IFELSE(
20 [AC_LANG_PROGRAM([[]])],
21 [have_flag="yes"],
22 [have_flag="no"])
23AC_MSG_RESULT([${have_flag}])
24
25if test "x${have_flag}" = "xno" ; then
26 CFLAGS="${CFLAGS_save}"
27fi
28AC_LANG_POP([C])
29
30])
31
32dnl Macro that checks if a linker flag is supported by the compiler.
33
34dnl Usage: EFL_LINKER_FLAG(flag)
35dnl flag is added to LDFLAGS if supported (will be passed to ld anyway).
36
37AC_DEFUN([EFL_LINKER_FLAG],
38[
39
40LDFLAGS_save="${LDFLAGS}"
41LDFLAGS="${LDFLAGS} $1"
42
43AC_LANG_PUSH([C])
44AC_MSG_CHECKING([whether the compiler supports $1])
45
46AC_LINK_IFELSE(
47 [AC_LANG_PROGRAM([[]])],
48 [have_flag="yes"],
49 [have_flag="no"])
50AC_MSG_RESULT([${have_flag}])
51
52if test "x${have_flag}" = "xno" ; then
53 LDFLAGS="${LDFLAGS_save}"
54fi
55AC_LANG_POP([C])
56
57])