mirror of
				https://github.com/asterisk/asterisk.git
				synced 2025-11-03 20:38:59 +00:00 
			
		
		
		
	(closes issue #17309) Reported by: stuarth git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@262102 65c4cc65-6c06-0410-ace0-fbb531ad65f3
		
			
				
	
	
		
			34 lines
		
	
	
		
			862 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			862 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# Check if a given macro is defined in a certain header.
 | 
						|
 | 
						|
# AST_C_DEFINE_CHECK([package], [macro name], [header file], [version])
 | 
						|
AC_DEFUN([AST_C_DEFINE_CHECK],
 | 
						|
[
 | 
						|
    if test "x${PBX_$1}" != "x1"; then
 | 
						|
	AC_MSG_CHECKING([for $2 in $3])
 | 
						|
	saved_cppflags="${CPPFLAGS}"
 | 
						|
	if test "x${$1_DIR}" != "x"; then
 | 
						|
	    $1_INCLUDE="-I${$1_DIR}/include"
 | 
						|
	fi
 | 
						|
	CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}"
 | 
						|
 | 
						|
	AC_COMPILE_IFELSE(
 | 
						|
	    [ AC_LANG_PROGRAM( [#include <$3>],
 | 
						|
			       [#if defined($2)
 | 
						|
				int foo = 0;
 | 
						|
			        #else
 | 
						|
			        int foo = bar;
 | 
						|
			        #endif
 | 
						|
				0
 | 
						|
			       ])],
 | 
						|
	    [   AC_MSG_RESULT(yes)
 | 
						|
		PBX_$1=1
 | 
						|
		AC_DEFINE([HAVE_$1], 1, [Define if your system has the $1 headers.])
 | 
						|
		m4_ifval([$4], [AC_DEFINE([HAVE_$1_VERSION], $4, [Define $1 headers version])])
 | 
						|
	    ],
 | 
						|
	    [   AC_MSG_RESULT(no) ] 
 | 
						|
	)
 | 
						|
	CPPFLAGS="${saved_cppflags}"
 | 
						|
    fi
 | 
						|
    AC_SUBST(PBX_$1)
 | 
						|
])
 |