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authorOlliver Schinagl <oliver@schinagl.nl>2016-02-05 10:36:22 (GMT)
committerOlliver Schinagl <oliver@schinagl.nl>2016-03-10 09:37:39 (GMT)
commit660f1a8cc94f7176f49d5021e7b979030c5ac42e (patch)
tree9de61b286e8bb59dd9f74280082c3dcac14b8585 /m4/efl_attribute.m4
parent398af5331bacd2e2aa4914e9926bf32d28cf8c14 (diff)
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Add empty eflprj generated skeleton project
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Diffstat (limited to 'm4/efl_attribute.m4')
-rw-r--r--m4/efl_attribute.m456
1 files changed, 56 insertions, 0 deletions
diff --git a/m4/efl_attribute.m4 b/m4/efl_attribute.m4
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+dnl Copyright (C) 2011 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macros for checking if the compiler supports some __attribute__ uses
+
+dnl Usage: EFL_ATTRIBUTE_UNUSED
+dnl call AC_DEFINE for __UNUSED__ if __attribute__((unused)) is available
+
+AC_DEFUN([EFL_ATTRIBUTE_UNUSED],
+[
+AC_MSG_CHECKING([for __attribute__ ((unused))])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+void foo(int x __attribute__ ((unused))) {}
+ ]],
+ [[
+ ]])],
+ [have_attribute_unused="yes"],
+ [have_attribute_unused="no"])
+AC_MSG_RESULT([${have_attribute_unused}])
+
+if test "x${have_attribute_unused}" = "xyes" ; then
+ AC_DEFINE([__UNUSED__], [__attribute__ ((unused))], [Macro declaring a function argument to be unused.])
+else
+ AC_DEFINE([__UNUSED__], [], [__attribute__ ((unused)) is not supported.])
+fi
+])
+
+dnl Usage: EFL_ATTRIBUTE_VECTOR
+dnl call AC_DEFINE for HAVE_GCC_ATTRIBUTE_VECTOR if __attribute__((vector)) is available
+
+AC_DEFUN([EFL_ATTRIBUTE_VECTOR],
+[
+AC_MSG_CHECKING([for __attribute__ ((vector))])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+typedef int v4si __attribute__ ((vector_size (16)));
+ ]],
+ [[
+if (sizeof(v4si) == 16)
+ return 0;
+else
+ return -1;
+ ]])],
+ [have_attribute_vector="yes"],
+ [have_attribute_vector="no"])
+AC_MSG_RESULT([${have_attribute_vector}])
+
+if test "x${have_attribute_vector}" = "xyes" ; then
+ AC_DEFINE([HAVE_GCC_ATTRIBUTE_VECTOR], [1], [Define to 1 if your compiler supports __attribute__ ((vector)).])
+fi
+])
+
+dnl End of efl_attribute.m4