Build local static libpng on el5
The system libpng is too old for fltk 1.3.3, resulting in undefined reference errors when trying to link vncviewer.
diff --git a/contrib/packages/rpm/el5/SPECS/tigervnc.spec b/contrib/packages/rpm/el5/SPECS/tigervnc.spec
index 4dec5b3..6ab92c3 100644
--- a/contrib/packages/rpm/el5/SPECS/tigervnc.spec
+++ b/contrib/packages/rpm/el5/SPECS/tigervnc.spec
@@ -20,6 +20,7 @@
Source9: FindX11.cmake
Source11: http://fltk.org/pub/fltk/1.3.3/fltk-1.3.3-source.tar.gz
Source12: http://downloads.sourceforge.net/project/libjpeg-turbo/1.3.0/libjpeg-turbo-1.3.0.tar.gz
+Source13: http://downloads.sourceforge.net/project/libpng/libpng15/older-releases/1.5.10/libpng-1.5.10.tar.bz2
Source100: http://www.x.org/releases/X11R7.7/src/everything/bigreqsproto-1.1.2.tar.bz2
Source101: http://www.x.org/releases/X11R7.7/src/everything/compositeproto-0.4.2.tar.bz2
@@ -275,6 +276,7 @@
popd
tar xzf %SOURCE12
+tar xjf %SOURCE13
mkdir xorg
pushd xorg
@@ -695,6 +697,17 @@
popd
+echo "*** Building libpng ***"
+pushd libpng-*
+CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" LDFLAGS="${LDFLAGS}" ./configure \
+ --prefix=%{_prefix} \
+ --libdir=%{_libdir} \
+ --disable-shared \
+ --enable-static
+make %{?_smp_mflags}
+make DESTDIR=%{xorg_buildroot} install
+popd
+
echo "*** Building fltk ***"
pushd fltk-*
export CMAKE_PREFIX_PATH="%{xorg_buildroot}%{_prefix}:%{_prefix}"
@@ -708,7 +721,7 @@
--disable-shared \
--enable-localjpeg \
--enable-localzlib \
- --enable-localpng \
+ --disable-localpng \
--enable-xinerama \
--enable-xft \
--enable-xdbe \