From 1b73237787f417bb177a5ae41878fd805c388e5d Mon Sep 17 00:00:00 2001
From: doursse <doursse>
Date: Thu, 3 Apr 2008 19:47:07 +0000
Subject: [PATCH] add unsued attribute when needed

SVN revision: 34184
---
 legacy/eet/configure.in       | 20 ++++++++++++++++++--
 legacy/eet/src/lib/eet_data.c | 28 +++++++++++++++++-----------
 2 files changed, 35 insertions(+), 13 deletions(-)

diff --git a/legacy/eet/configure.in b/legacy/eet/configure.in
index 385dfe488a..41136fdaea 100644
--- a/legacy/eet/configure.in
+++ b/legacy/eet/configure.in
@@ -28,8 +28,6 @@ SNAP=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $4);}'`
 version_info=`expr $VMAJ + $VMIN`":$VMIC:$VMIN"
 AC_SUBST(version_info)
 
-AC_FUNC_ALLOCA
-
 WIN32_CFLAGS=""
 WIN32_LIBS=""
 create_shared_lib=""
@@ -52,6 +50,24 @@ AC_SUBST(WIN32_CFLAGS)
 AC_SUBST(WIN32_LIBS)
 AC_SUBST(create_shared_lib)
 
+dnl Checking for __attribute__ support
+AC_MSG_CHECKING([for __attribute__])
+AC_CACHE_VAL(have___attribute__,
+  [
+    AC_TRY_COMPILE([#include <stdlib.h>],
+      [int func(int x); int foo(int x __attribute__ ((unused))) { exit(1); }],
+      [have___attribute__="yes"],
+      [have___attribute__="no"])
+  ]
+)
+
+if test "x${have___attribute__}" = "xyes" ; then
+   AC_DEFINE(HAVE___ATTRIBUTE__, 1, [Define to 1 if your compiler has __attribute__])
+fi
+AC_MSG_RESULT(${have___attribute__})
+
+AC_FUNC_ALLOCA
+
 AC_CHECK_HEADER(zlib.h,, AC_MSG_ERROR("Cannot find zlib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"))
 AC_CHECK_HEADER(jpeglib.h,, AC_MSG_ERROR("Cannot find jpeglib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"))
 
diff --git a/legacy/eet/src/lib/eet_data.c b/legacy/eet/src/lib/eet_data.c
index 154375a9c6..98c5c8ee62 100644
--- a/legacy/eet/src/lib/eet_data.c
+++ b/legacy/eet/src/lib/eet_data.c
@@ -6,6 +6,12 @@
 # include <config.h>
 #endif
 
+#if HAVE___ATTRIBUTE__
+#define __UNUSED__ __attribute__((unused))
+#else
+#define __UNUSED__
+#endif
+
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
@@ -243,7 +249,7 @@ static int words_bigendian = -1;
 
 /* CHAR TYPE */
 static int
-eet_data_get_char(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst)
+eet_data_get_char(const Eet_Dictionary *ed __UNUSED__, const void *src, const void *src_end, void *dst)
 {
    char *s, *d;
 
@@ -256,7 +262,7 @@ eet_data_get_char(const Eet_Dictionary *ed, const void *src, const void *src_end
 }
 
 static void *
-eet_data_put_char(Eet_Dictionary *ed, const void *src, int *size_ret)
+eet_data_put_char(Eet_Dictionary *ed __UNUSED__, const void *src, int *size_ret)
 {
    char *s, *d;
 
@@ -271,7 +277,7 @@ eet_data_put_char(Eet_Dictionary *ed, const void *src, int *size_ret)
 
 /* SHORT TYPE */
 static int
-eet_data_get_short(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst)
+eet_data_get_short(const Eet_Dictionary *ed __UNUSED__, const void *src, const void *src_end, void *dst)
 {
    short *d;
 
@@ -283,7 +289,7 @@ eet_data_get_short(const Eet_Dictionary *ed, const void *src, const void *src_en
 }
 
 static void *
-eet_data_put_short(Eet_Dictionary *ed, const void *src, int *size_ret)
+eet_data_put_short(Eet_Dictionary *ed __UNUSED__, const void *src, int *size_ret)
 {
    short *s, *d;
 
@@ -298,7 +304,7 @@ eet_data_put_short(Eet_Dictionary *ed, const void *src, int *size_ret)
 
 /* INT TYPE */
 static int
-eet_data_get_int(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst)
+eet_data_get_int(const Eet_Dictionary *ed __UNUSED__, const void *src, const void *src_end, void *dst)
 {
    int *d;
 
@@ -310,7 +316,7 @@ eet_data_get_int(const Eet_Dictionary *ed, const void *src, const void *src_end,
 }
 
 static void *
-eet_data_put_int(Eet_Dictionary *ed, const void *src, int *size_ret)
+eet_data_put_int(Eet_Dictionary *ed __UNUSED__, const void *src, int *size_ret)
 {
    int *s, *d;
 
@@ -325,7 +331,7 @@ eet_data_put_int(Eet_Dictionary *ed, const void *src, int *size_ret)
 
 /* LONG LONG TYPE */
 static int
-eet_data_get_long_long(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst)
+eet_data_get_long_long(const Eet_Dictionary *ed __UNUSED__, const void *src, const void *src_end, void *dst)
 {
    unsigned long long *d;
 
@@ -337,7 +343,7 @@ eet_data_get_long_long(const Eet_Dictionary *ed, const void *src, const void *sr
 }
 
 static void *
-eet_data_put_long_long(Eet_Dictionary *ed, const void *src, int *size_ret)
+eet_data_put_long_long(Eet_Dictionary *ed __UNUSED__, const void *src, int *size_ret)
 {
    unsigned long long *s, *d;
 
@@ -416,13 +422,13 @@ eet_data_put_string(Eet_Dictionary *ed, const void *src, int *size_ret)
 
 /* ALWAYS INLINED STRING TYPE */
 static int
-eet_data_get_istring(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst)
+eet_data_get_istring(const Eet_Dictionary *ed __UNUSED__, const void *src, const void *src_end, void *dst)
 {
    return eet_data_get_string(NULL, src, src_end, dst);
 }
 
 static void *
-eet_data_put_istring(Eet_Dictionary *ed, const void *src, int *size_ret)
+eet_data_put_istring(Eet_Dictionary *ed __UNUSED__, const void *src, int *size_ret)
 {
    return eet_data_put_string(NULL, src, size_ret);
 }
@@ -1222,7 +1228,7 @@ _eet_freelist_direct_str_free(Eet_Data_Descriptor *edd)
 }
 
 static int
-eet_data_descriptor_encode_hash_cb(void *hash, const char *key, void *hdata, void *fdata)
+eet_data_descriptor_encode_hash_cb(void *hash __UNUSED__, const char *key, void *hdata, void *fdata)
 {
    Eet_Dictionary               *ed;
    Eet_Data_Encode_Hash_Info    *edehi;