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-rw-r--r--ares/configure.ac8
-rw-r--r--configure.ac8
2 files changed, 16 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])
diff --git a/configure.ac b/configure.ac
index 77e7ce58c..4453f6cf2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,14 @@ dnl Process this file with autoconf to produce a configure script.
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 We don't know the version number "statically" so we use a dash here
AC_INIT([curl], [-], [a suitable curl mailing list => http://curl.haxx.se/mail/])