X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6555ccd66061b1e5f186acf1ba56ed3283e74e14..0d303f1764645284b33924c9be8bf29f0a32ca5c:/buildlib/tools.m4

diff --git a/buildlib/tools.m4 b/buildlib/tools.m4
index d47d79e7e..433d5ca32 100644
--- a/buildlib/tools.m4
+++ b/buildlib/tools.m4
@@ -1,4 +1,4 @@
-AC_DEFUN(ah_HAVE_GETCONF,
+AC_DEFUN([ah_HAVE_GETCONF],
 	[AC_ARG_WITH(getconf,
 		[  --with-getconf          Enable automagical buildtime configuration],
 		[if test "$withval" = "yes"; then
@@ -14,7 +14,7 @@ AC_DEFUN(ah_HAVE_GETCONF,
 ])
 
 dnl ah_GET_CONF(variable, value ..., [default])
-AC_DEFUN(ah_GET_GETCONF,
+AC_DEFUN([ah_GET_GETCONF],
 	[AC_REQUIRE([ah_HAVE_GETCONF])
 	if test ! -z "$GETCONF";then
 		old_args="[$]@"
@@ -28,7 +28,7 @@ AC_DEFUN(ah_GET_GETCONF,
 		eval $1="$3"
 	fi
 ])
-AC_DEFUN(ah_NUM_CPUS,
+AC_DEFUN([ah_NUM_CPUS],
 	[AC_MSG_CHECKING([number of cpus])
 	AC_ARG_WITH(cpus,
 		[  --with-cpus             The number of cpus to be used for building(see --with-procs, default 1)],
@@ -56,7 +56,7 @@ AC_DEFUN(ah_NUM_CPUS,
 	AC_MSG_RESULT([$ah_NUM_CPUS_msg])
 	AC_SUBST(NUM_CPUS)
 ])
-AC_DEFUN(ah_PROC_MULTIPLY,
+AC_DEFUN([ah_PROC_MULTIPLY],
 	[AC_REQUIRE([ah_NUM_CPUS])
 	AC_MSG_CHECKING([processor multiplier])
 	AC_ARG_WITH(proc-multiply,
@@ -72,7 +72,7 @@ AC_DEFUN(ah_PROC_MULTIPLY,
 	AC_SUBST(PROC_MULTIPLY)
 ])
 
-AC_DEFUN(ah_NUM_PROCS,
+AC_DEFUN([ah_NUM_PROCS],
 	[AC_REQUIRE([ah_PROC_MULTIPLY])
 	AC_REQUIRE([ah_NUM_CPUS])
 	AC_MSG_CHECKING([number of processes to run during make])
@@ -88,3 +88,23 @@ AC_DEFUN(ah_NUM_PROCS,
 	AC_MSG_RESULT([$NUM_PROCS])
 	AC_SUBST(NUM_PROCS)
 ])
+
+AC_DEFUN([ah_GCC3DEP],[
+	AC_MSG_CHECKING(if $CXX -MD works)
+	touch gcc3dep.cc
+	${CXX-c++} -MD -o gcc3dep_test.o -c gcc3dep.cc
+	rm -f gcc3dep.cc gcc3dep_test.o
+	if test -e gcc3dep.d; then
+		rm -f gcc3dep.d
+		GCC_MD=input
+		GCC3DEP=
+	elif test -e gcc3dep_test.d; then
+		rm -f gcc3dep_test.d
+		GCC_MD=output
+		GCC3DEP=yes
+	else
+		AC_MSG_ERROR(no)
+	fi
+	AC_MSG_RESULT([yes, for $GCC_MD])
+	AC_SUBST(GCC3DEP)
+])