summaryrefslogtreecommitdiff
path: root/aclocal.m4
diff options
context:
space:
mode:
Diffstat (limited to 'aclocal.m4')
-rw-r--r--aclocal.m433
1 files changed, 24 insertions, 9 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index 7e8d8c9cd..36a274882 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.7.5a -*- Autoconf -*-
+# generated automatically by aclocal 1.7.5b -*- Autoconf -*-
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
# Free Software Foundation, Inc.
@@ -163,7 +163,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.7"])
# Call AM_AUTOMAKE_VERSION so it can be traced.
# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
- [AM_AUTOMAKE_VERSION([1.7.5a])])
+ [AM_AUTOMAKE_VERSION([1.7.5b])])
# Helper functions for option handling. -*- Autoconf -*-
@@ -545,18 +545,32 @@ AC_CACHE_CHECK([dependency style of $depcc],
# using a relative directory.
cp "$am_depcomp" conftest.dir
cd conftest.dir
+ # We will build objects and dependencies in a subdirectory because
+ # it helps to detect inapplicable dependency modes. For instance
+ # both Tru64's cc and ICC support -MD to output dependencies as a
+ # side effect of compilation, but ICC will put the dependencies in
+ # the current directory while Tru64 will put them in the object
+ # directory.
+ mkdir sub
am_cv_$1_dependencies_compiler_type=none
if test "$am_compiler_list" = ""; then
am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
fi
for depmode in $am_compiler_list; do
+ # Setup a source with many dependencies, because some compilers
+ # like to wrap large dependency lists on column 80 (with \), and
+ # we should not choose a depcomp mode which is confused by this.
+ #
# We need to recreate these files for each test, as the compiler may
# overwrite some of them when testing with obscure command lines.
# This happens at least with the AIX C compiler.
- echo '#include "conftest.h"' > conftest.c
- echo 'int i;' > conftest.h
- echo "${am__include} ${am__quote}conftest.Po${am__quote}" > confmf
+ : > sub/conftest.c
+ for i in 1 2 3 4 5 6; do
+ echo '#include "conftst'$i'.h"' >> sub/conftest.c
+ : > sub/conftst$i.h
+ done
+ echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
case $depmode in
nosideeffect)
@@ -574,11 +588,12 @@ AC_CACHE_CHECK([dependency style of $depcc],
# mode. It turns out that the SunPro C++ compiler does not properly
# handle `-M -o', and we need to detect this.
if depmode=$depmode \
- source=conftest.c object=conftest.o \
- depfile=conftest.Po tmpdepfile=conftest.TPo \
- $SHELL ./depcomp $depcc -c -o conftest.o conftest.c \
+ source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+ $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
>/dev/null 2>conftest.err &&
- grep conftest.h conftest.Po > /dev/null 2>&1 &&
+ grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+ grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
${MAKE-make} -s -f confmf > /dev/null 2>&1; then
# icc doesn't choke on unknown options, it will just issue warnings
# (even with -Werror). So we grep stderr for any message