summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorArch Librarian <arch@canonical.com>2004-09-20 16:58:19 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:58:19 +0000
commitc29a99d7f3931f9b0559c56056d887fb3b2e52df (patch)
tree30828d35e13c2012d9249ed72cc1a22aa0d56cc3
parent62c968342bb85207a033d45463ac610d76012ce2 (diff)
Add macro for detecting the output filename for gcc -MD...
Author: doogie Date: 2001-05-29 05:25:06 GMT Add macro for detecting the output filename for gcc -MD(3.0 changed it).
-rw-r--r--buildlib/tools.m420
-rw-r--r--configure.in1
2 files changed, 21 insertions, 0 deletions
diff --git a/buildlib/tools.m4 b/buildlib/tools.m4
index cb57bb34f..9ad0bd05a 100644
--- a/buildlib/tools.m4
+++ b/buildlib/tools.m4
@@ -135,3 +135,23 @@ _LIBSTDCPP_
fi
AC_SUBST(LIBSTDCPP_VER)
])
+
+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=no
+ 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)
+])
diff --git a/configure.in b/configure.in
index f8d2cc1d6..7d551bfb1 100644
--- a/configure.in
+++ b/configure.in
@@ -161,5 +161,6 @@ dnl AC_CHECK_PROG(YODL_MAN,yodl2man,"yes","")
ah_NUM_PROCS
ah_GLIBC_VER
ah_LIBSTDCPP_VER
+ah_GCC3DEP
AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in,make -s dirs)