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authorYang Tse <yangsita@gmail.com>2008-07-26 14:45:16 +0000
committerYang Tse <yangsita@gmail.com>2008-07-26 14:45:16 +0000
commitfa1009b6fcfa2af29fd41ca29b5ec6dd767fc146 (patch)
tree842119f30709425fcb3efa110e1c96ab32b5d6a8 /ares
parentb377e857bd4a6227771646e8f3cf056806279e96 (diff)
Explicitly include our m4 files first. This might minimize the impact
that other package's underquoted m4 function definitions have on ours.
Diffstat (limited to 'ares')
-rw-r--r--ares/configure.ac8
1 files changed, 8 insertions, 0 deletions
diff --git a/ares/configure.ac b/ares/configure.ac
index 705fa2775..783116e66 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -1,5 +1,13 @@
AC_PREREQ(2.57)
+dnl Explicitly include our m4 files first. Without these explicit inclusions
+dnl aclocal will actually find and include them automatically, but before it
+dnl does it might fully scan all other system installed m4 files. Doing this
+dnl explicit inclusion also allows us to override definitions of macros done
+dnl elsewhere in other packages with the ones done in our included files.
+m4_include([m4/reentrant.m4])
+m4_include([acinclude.m4])
+
dnl Version not hardcoded here. Fetched later from ares_version.h
AC_INIT([c-ares], [-],
[c-ares mailing list => http://cool.haxx.se/mailman/listinfo/c-ares])