From de49c7480893e7d52f64ec1166a55cdf97b2541e Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Tue, 11 Sep 2012 11:40:06 -0500
Subject: Detect presence of Ruby pkg-config file and adjust directory search
 accordingly

---
 qtruby/rubylib/qtruby/configure.in.in | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'qtruby/rubylib')

diff --git a/qtruby/rubylib/qtruby/configure.in.in b/qtruby/rubylib/qtruby/configure.in.in
index 453bb68d..3cfa630a 100644
--- a/qtruby/rubylib/qtruby/configure.in.in
+++ b/qtruby/rubylib/qtruby/configure.in.in
@@ -1,15 +1,32 @@
+KDE_FIND_PATH(pkg-config, PKGCONFIG, [${prefix}/bin ${exec_prefix}/bin /usr/bin /usr/local/bin /opt/local/bin], [
+  AC_MSG_WARN([Could not find pkg-config])
+])
+
 AC_CHECK_PROG(RUBY, ruby, ruby)
 
 if test -z "$RUBY"; then
   DO_NOT_COMPILE="$DO_NOT_COMPILE qtruby"
 else
   AC_MSG_CHECKING(for ruby dirs)
-  RUBY_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"archdir"@:>@)'`
-  RUBY_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitearchdir"@:>@)'`
-  RUBY_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitelibdir"@:>@)'`
-  RUBY_RUBYLIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"rubylibdir"@:>@)'`
-  RUBY_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"libdir"@:>@)'`
-  RUBY_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
+  if test -n "$PKGCONFIG"; then
+    RUBY_VERSION=`$PKGCONFIG ruby --modversion 2>/dev/null`
+    if test -n "$RUBY_VERSION"; then
+      RUBY_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"archdir"@:>@)'`
+      RUBY_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"sitearchdir"@:>@)'`
+      RUBY_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"sitelibdir"@:>@)'`
+      RUBY_RUBYLIBDIR=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"rubylibdir"@:>@)'`
+      RUBY_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"libdir"@:>@)'`
+      RUBY_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",RbConfig::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
+    fi
+  fi
+  if test -z "$RUBY_VERSION"; then
+    RUBY_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"archdir"@:>@)'`
+    RUBY_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitearchdir"@:>@)'`
+    RUBY_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitelibdir"@:>@)'`
+    RUBY_RUBYLIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"rubylibdir"@:>@)'`
+    RUBY_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"libdir"@:>@)'`
+    RUBY_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
+  fi
   AC_MSG_RESULT([archdir $RUBY_ARCHDIR, sitearchdir $RUBY_SITEARCHDIR, sitedir $RUBY_SITEDIR, libdir $RUBY_LIBDIR, librubyarg $RUBY_LIBRUBYARG])
   AC_SUBST(RUBY_ARCHDIR)
   AC_SUBST(RUBY_SITEARCHDIR)
-- 
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