From b2170461c63561efff2fc3736c51856468f56d87 Mon Sep 17 00:00:00 2001
From: tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>
Date: Wed, 30 Dec 2009 19:19:49 +0000
Subject: The official name of the pkgconfig file is lua.pc (e.g. used in Mac
 OS X) and was renamed for Ubuntu to lua5.1.pc. Check for lua.pc and lua5.1.

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2059 b956fd51-792f-4845-bead-9b4dfca2ff2c
---
 Lua/configure    | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 Lua/configure.ac |  7 +++++-
 2 files changed, 72 insertions(+), 2 deletions(-)

(limited to 'Lua')

diff --git a/Lua/configure b/Lua/configure
index ad4d4413..2755c9a8 100755
--- a/Lua/configure
+++ b/Lua/configure
@@ -4526,6 +4526,8 @@ See the pkg-config man page for more details.
 
 
 # find lua 5.1
+# (K)Ubuntu uses lua5.1.pc, Mac OS X and other
+# linux distributions use lua.pc
 
     have_lib="no"
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lua5.1" >&5
@@ -4571,7 +4573,7 @@ $as_echo "yes" >&6; }
 $as_echo "no" >&6; }
 
         # check if package is required
-        if test xyes = xyes -o x"$with_lua" = xyes ; then
+        if test xno = xyes -o x"$with_lua" = xyes ; then
             # print error message and quit
             err_msg=`$PKG_CONFIG --errors-to-stdout --print-errors "lua5.1"`
             as_fn_error "
@@ -4587,6 +4589,69 @@ See the pkg-config man page for more details.
         fi
     fi
 
+if [ x$lua_HAVE = xno ]; then
+
+    have_lib="no"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lua >= 5.1" >&5
+$as_echo_n "checking for lua >= 5.1... " >&6; }
+    if test x"$with_lua" = xnocheck; then
+        # do not call pkg-config, use user settings
+        have_lib="yes"
+    elif test x"$with_lua" != xno; then
+        # check if package exists
+	if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua >= 5.1\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "lua >= 5.1") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+
+            have_lib="yes"
+            lua_LIBS=`$PKG_CONFIG --libs --silence-errors "lua >= 5.1"`
+            lua_LIBDIRS=`$PKG_CONFIG --libs-only-L --silence-errors "lua >= 5.1"`
+            lua_LIBDIRS=`
+    echo "$lua_LIBDIRS" | $SED 's/^[ \t]*//' | $SED 's/[ \t]*$//'
+`
+            # add library directories to LIBS (ignore *_LIBS for now)
+	    if test -n "$lua_LIBDIRS"; then
+                LIBS="$LIBS $lua_LIBDIRS"
+            fi
+
+fi
+    fi
+    if test x$have_lib = xyes; then
+        lua_HAVE="yes"
+        if test -n "$lua_LIBDIRS"; then
+            # show additional lib-dirs
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes ($lua_LIBDIRS)" >&5
+$as_echo "yes ($lua_LIBDIRS)" >&6; }
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+        fi
+    else
+        lua_HAVE="no"
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+        # check if package is required
+        if test xyes = xyes -o x"$with_lua" = xyes ; then
+            # print error message and quit
+            err_msg=`$PKG_CONFIG --errors-to-stdout --print-errors "lua >= 5.1"`
+            as_fn_error "
+
+$err_msg
+
+Alternatively, you may set --with-lua=nocheck and the environment
+variables lua_[...] (see configure --help)
+to appropriate values to avoid the need to call pkg-config.
+
+See the pkg-config man page for more details.
+" "$LINENO" 5
+        fi
+    fi
+
+fi
 
 # find FFMpeg
 # Note: do not use the min/max version parameters with ffmpeg
diff --git a/Lua/configure.ac b/Lua/configure.ac
index 02d57a2a..898af362 100644
--- a/Lua/configure.ac
+++ b/Lua/configure.ac
@@ -167,7 +167,12 @@ PKG_HAVE([freetype], [freetype2], yes)
 PKG_HAVE([sqlite3], [sqlite3], yes)
 
 # find lua 5.1
-PKG_HAVE([lua], [lua5.1], yes)
+# (K)Ubuntu uses lua5.1.pc, Mac OS X and other 
+# linux distributions use lua.pc
+PKG_HAVE([lua], [lua5.1], no)
+if [[ x$lua_HAVE = xno ]]; then
+    PKG_HAVE([lua], [lua >= 5.1], yes)
+fi
 
 # find FFMpeg
 # Note: do not use the min/max version parameters with ffmpeg
-- 
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