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authorFlavio Ceolin <flavio.ceolin@gmail.com>2013-08-31 18:22:57 -0300
committerFlavio Ceolin <flavio.ceolin@profusion.mobi>2013-08-31 18:24:57 -0300
commit2df5c2453d21cb9368867b859e15d493821eb617 (patch)
treefa84762041dc9540890713711127940cd4fe46b5 /m4/efl_compiler_flag.m4
Initial commit
epulse intends to be a mixer using efl and pulseaudio technologies.
Diffstat (limited to 'm4/efl_compiler_flag.m4')
-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
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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])