From 63f5a7164bd906beebef677004dbd0722d0462cc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 2 Aug 2003 05:54:00 +0000
Subject: * lib/mkmf.rb (pkg_config): get configuration by pkg-config.  [new]

* ext/openssl/extconf.rb: use pkg_config.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4284 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index d56fe8896e..80c1651994 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -617,6 +617,27 @@ def dir_config(target, idefault=nil, ldefault=nil)
   [idir, ldir]
 end
 
+def pkg_config(pkg)
+  unless defined?($PKGCONFIG)
+    if pkgconfig = with_config("pkg-config", !CROSS_COMPILING && "pkg-config")
+      find_executable0(pkgconfig) or pkgconfig = nil
+    end
+    $PKGCONFIG = pkgconfig
+  end
+  if $PKGCONFIG and system("#{$PKGCONFIG} --exists #{pkg}")
+    cflags = `#{$PKGCONFIG} --cflags #{pkg}`.chomp
+    ldflags = `#{$PKGCONFIG} --libs-only-L #{pkg}`.chomp
+    libs = `#{$PKGCONFIG} --libs-only-l #{pkg}`.chomp
+    $CFLAGS += " " << cflags
+    $LDFLAGS += " " << ldflags
+    $LIBS += " " << libs
+    Logging::message "package configuration for %s\n", pkg
+    Logging::message "cflags: %s\nldflags: %s\nlibs: %s\n\n",
+                     cflags, ldflags, libs
+    [cflags, ldflags, libs]
+  end
+end
+
 def with_destdir(dir)
   /^\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir
 end
-- 
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