File use-pkg-config.patch of Package rubygem-pg

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File use-pkg-config.patch of Package rubygem-pg

Index: pg-1.1.4/ext/extconf.rb
===================================================================
--- pg-1.1.4.orig/ext/extconf.rb
+++ pg-1.1.4/ext/extconf.rb
@@ -23,27 +23,29 @@ if enable_config("windows-cross")
 
 else
 	# Native build
+	pg_package = pkg_config('libpq')
+	if !pg_package
+		pgconfig = with_config('pg-config') ||
+			with_config('pg_config') ||
+			find_executable('pg_config')
 
-	pgconfig = with_config('pg-config') ||
-		with_config('pg_config') ||
-		find_executable('pg_config')
+		if pgconfig && pgconfig != 'ignore'
+			$stderr.puts "Using config values from %s" % [ pgconfig ]
+			incdir = `"#{pgconfig}" --includedir`.chomp
+			libdir = `"#{pgconfig}" --libdir`.chomp
+			dir_config 'pg', incdir, libdir
 
-	if pgconfig && pgconfig != 'ignore'
-		$stderr.puts "Using config values from %s" % [ pgconfig ]
-		incdir = `"#{pgconfig}" --includedir`.chomp
-		libdir = `"#{pgconfig}" --libdir`.chomp
-		dir_config 'pg', incdir, libdir
-
-		# Try to use runtime path linker option, even if RbConfig doesn't know about it.
-		# The rpath option is usually set implicit by dir_config(), but so far not
-		# on MacOS-X.
-		if RbConfig::CONFIG["RPATHFLAG"].to_s.empty? && try_link('int main() {return 0;}', " -Wl,-rpath,#{libdir}")
-			$LDFLAGS << " -Wl,-rpath,#{libdir}"
+			# Try to use runtime path linker option, even if RbConfig doesn't know about it.
+			# The rpath option is usually set implicit by dir_config(), but so far not
+			# on MacOS-X.
+			if RbConfig::CONFIG["RPATHFLAG"].to_s.empty? && try_link('int main() {return 0;}', " -Wl,-rpath,#{libdir}")
+				$LDFLAGS << " -Wl,-rpath,#{libdir}"
+			end
+		else
+			$stderr.puts "No pg_config... trying anyway. If building fails, please try again with",
+				" --with-pg-config=/path/to/pg_config"
+			dir_config 'pg'
 		end
-	else
-		$stderr.puts "No pg_config... trying anyway. If building fails, please try again with",
-			" --with-pg-config=/path/to/pg_config"
-		dir_config 'pg'
 	end
 end

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File use-pkg-config.patch of Package rubygem-pg

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