* 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

3 files changed, 28 insertions, 8 deletions

diff --git a/ChangeLog b/ChangeLog
index 7ba09c075c..2fcfd65abc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Aug  2 14:53:55 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (pkg_config): get configuration by pkg-config.  [new]
+
+	* ext/openssl/extconf.rb: use pkg_config.
+
 Sat Aug  2 14:02:39 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* variable.c (classname): find regular class name if not set.
diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index 76befa5a5f..92dabdc587 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -18,7 +18,6 @@ require "mkmf"
 
 dir_config("openssl")
 dir_config("kerberos")
-pkgconfig = with_config("pkg-config", !CROSS_COMPILING && "pkg-config")
 
 message "=== OpenSSL for Ruby configurator ===\n"
 
@@ -51,13 +50,7 @@ result = have_header("openssl/ssl.h")
 result &&= %w[crypto libeay32].any? {|lib| have_library(lib, "OpenSSL_add_all_digests")}
 result &&= %w[ssl ssleay32].any? {|lib| have_library(lib, "SSL_library_init")}
 if !result
-  if find_executable(pkgconfig) and system(pkgconfig, "--exists", "openssl")
-    $CFLAGS += " " << `#{pkgconfig} --cflags openssl`.chomp
-    $DLDFLAGS += " " << `#{pkgconfig} --libs-only-L openssl`.chomp
-    $LIBS += " " << `#{pkgconfig} --libs-only-l openssl`.chomp
-    result = have_header("openssl/ssl.h")
-  end
-  if !result
+  unless pkg_config("openssl") and have_header("openssl/ssl.h")
     message "=== Checking for required stuff failed. ===\n"
     message "Makefile wasn't created. Fix the errors above.\n"
     exit 1
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