and now with the correct filenames

add basic support for checking for C compiler attribute support


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@23380 65c4cc65-6c06-0410-ace0-fbb531ad65f3

acinclude.m4

@@ -68,7 +68,7 @@ AC_SUBST([PBX_LIB$1])
 
 
 AC_DEFUN(
-[AST_CHECK_GNU_MAKE], [ AC_CACHE_CHECK( for GNU make, GNU_MAKE,
+[AST_CHECK_GNU_MAKE], [AC_CACHE_CHECK(for GNU make, GNU_MAKE,
    GNU_MAKE='Not Found' ;
    for a in make gmake gnumake ; do
       if test -z "$a" ; then continue ; fi ;
@@ -83,4 +83,19 @@ if test  "x$GNU_MAKE" = "xNot Found"  ; then
    exit 1
 fi
 AC_SUBST([GNU_MAKE])
-] )
+])
+
+AC_DEFUN(
+[AST_C_ATTRIBUTE],
+[AC_CACHE_CHECK([for $1 attribute support],
+                [ac_cv_attribute_$1],
+                AC_COMPILE_IFELSE(
+                   AC_LANG_PROGRAM(
+                       [[static void foo(void) __attribute__ (($1));xyz]],
+                       []),
+                   have_attribute_$1=1, have_attribute_$1=0)
+               )
+ if test "$have_attribute_$1" = "1"; then
+    AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to indicate the compiler supports __attribute__ (($1))])
+ fi
+])

configure.ac

@@ -614,6 +614,9 @@ AC_HEADER_TIME
 AC_STRUCT_TM
 AC_C_VOLATILE
 AC_CHECK_TYPES([ptrdiff_t])
+AST_C_ATTRIBUTE([malloc])
+AST_C_ATTRIBUTE([printf])
+AST_C_ATTRIBUTE([mallocx])
 
 # Checks for library functions.
 AC_FUNC_CHOWN

utils/Makefile

@@ -57,7 +57,7 @@ astman: astman.o ../md5.o
 stereorize: stereorize.o frame.o
 	$(CC) $(CFLAGS) -o stereorize stereorize.o frame.o -lm
 
-.PHONY: ../ast_expr2.o ../ast_expr2f.o ../pbx/ael/aelflex.o ../pbx/ael/aelbison.o ../pbx/pbx_ael.o
+.PHONY: ../ast_expr2.c ../ast_expr2f.c ../pbx/ael/aelflex.o ../pbx/ael/aelbison.o ../pbx/pbx_ael.o
 
 ast_expr2.o: ../ast_expr2.c
 	gcc  $(CFLAGS) -include ../include/autoconfig.h -c -o $@ $<