From 22f2f30a33d0fa525730f2915f9d7209bd0045fe Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Mon, 30 Apr 2007 20:50:09 +0000
Subject:  r12591@catbus:  nickm | 2007-04-30 16:50:03 -0400  Minimize the
 libraries that we link things against: there is no reason to link tor-resolve
 against zlib, openssl, or libevent, for example.

svn:r10072
---
 acinclude.m4 | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'acinclude.m4')

diff --git a/acinclude.m4 b/acinclude.m4
index 3299c20a1..67593864c 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -18,6 +18,27 @@ AC_DEFUN([TOR_EXTEND_CODEPATH],
   fi
 ])
 
+AC_DEFUN([TOR_DEFINE_CODEPATH],
+[
+  if test x$1 = "x(system)"; then
+    TOR_LDFLAGS_$2=""
+    TOR_CPPFLAGS_$2=""
+  else
+   if test -d "$1/lib"; then
+     TOR_LDFLAGS_$2="-L$1/lib"
+   else
+     TOR_LDFLAGS_$2="-L$1"
+   fi
+   if test -d "$1/include"; then
+     TOR_CPPFLAGS_$2="-I$1/include"
+   else
+     TOR_CPPFLAGS_$2="-I$1"
+   fi
+  fi
+  AC_SUBST(TOR_CPPFLAGS_$2)
+  AC_SUBST(TOR_LDFLAGS_$2)
+])
+
 dnl 1:libname
 AC_DEFUN([TOR_WARN_MISSING_LIB], [
 h=""
@@ -118,6 +139,8 @@ if test $tor_cv_library_$1_dir != "(system)"; then
    TOR_EXTEND_CODEPATH($tor_cv_library_$1_dir)
 fi
 
+TOR_DEFINE_CODEPATH($tor_cv_library_$1_dir , $1)
+
 if test -z "$CROSS_COMPILE"; then
   AC_CACHE_CHECK([whether we need extra options to link $1],
                  tor_cv_library_$1_linker_option, [
@@ -151,9 +174,13 @@ if test -z "$CROSS_COMPILE"; then
   ]) dnl end cache check check for extra options.
 
   if test "$tor_cv_library_$1_linker_option" != "(none)" ; then
-   LDFLAGS="$tor_cv_library_$1_linker_option $LDFLAGS"
+    TOR_LDFLAGS_$1="$tor_cv_library_$1_linker_option"
   fi
 fi # cross-compile
 
+LIBS="$tor_saved_LIBS"
+LDFLAGS="$tor_saved_LDFLAGS"
+CPPFLAGS="$TOR_CPPFLAGS_$1 $tor_saved_CPPFLAGS"
+
 ]) dnl end defun
 
-- 
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