summaryrefslogtreecommitdiffstats
path: root/c/acinclude.m4
diff options
context:
space:
mode:
authorRalf Corsepius <ralf.corsepius@rtems.org>2003-10-23 15:39:37 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2003-10-23 15:39:37 +0000
commitd2efe941175a43eb9409c1d8bf2e8ba458098031 (patch)
treededc14d172fe3e799273a66595f96ce846b00b2f /c/acinclude.m4
parent1b4a37ad587423fc980472c6a6e67d9ceb25cd31 (diff)
downloadrtems-d2efe941175a43eb9409c1d8bf2e8ba458098031.tar.bz2
2003-10-23 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* acinclude.m4: Merge-in former ../aclocal/config-subdirs.m4. * configure.ac: remove RTEMS_CANONICAL_HOST.
Diffstat (limited to 'c/acinclude.m4')
-rw-r--r--c/acinclude.m432
1 files changed, 32 insertions, 0 deletions
diff --git a/c/acinclude.m4 b/c/acinclude.m4
index 4b7ff6bd16..278d502fa4 100644
--- a/c/acinclude.m4
+++ b/c/acinclude.m4
@@ -16,3 +16,35 @@ else
fi
])dnl
+dnl
+dnl Misc utility macros for subdir handling to work around missing abilities
+dnl in autoconf, automake and structural issues with RTEMS
+dnl
+dnl Contains parts derived from autoconf-2.13 AC_OUTPUT_SUBDIRS and Cygnus'
+dnl configure.in.
+dnl
+
+dnl
+dnl _AC_DOTS(PATH)
+dnl
+AC_DEFUN(_AC_DOTS,[
+# A "../" for each directory in $1.
+ ac_dots=`echo $1 | \
+ sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'`
+])
+
+dnl
+dnl _RTEMS_ADJUST_SRCDIR(REVAR,CONFIG_DIR[,TARGET_SUBDIR])
+dnl
+AC_DEFUN(_RTEMS_ADJUST_SRCDIR,[
+ _AC_DOTS(ifelse([$3], ,[$2],[$3/$2]))
+
+ case "$srcdir" in
+ .) # No --srcdir option. We are building in place.
+ $1=$srcdir ;;
+ [[\\/]]* | ?:[[\\/]]*) # Absolute path.
+ $1=$srcdir/$2 ;;
+ *) # Relative path.
+ $1=$ac_dots$srcdir/$2 ;;
+ esac
+])