Update pngquant to 2.9.1

Update Makefile to better handle build the shared libraries
Remove libimagequant sub-package and use the new libimagequant package.

pngquant-2.9.2-Makefile.patch

@@ -1,6 +1,8 @@
---- ./Makefile.orig	2017-04-16 04:03:50.371539956 +0100
-+++ ./Makefile	2017-04-16 04:57:42.147558976 +0100
-@@ -24,38 +24,35 @@ TESTBIN = test/test
+diff --git a/Makefile b/Makefile
+index 50213fa..2874e80 100644
+--- a/Makefile
++++ b/Makefile
+@@ -24,38 +24,34 @@ TESTBIN = test/test
  
  all: $(BIN)
  
@@ -18,11 +20,11 @@
  	$(MAKE) -C lib static
  
 -sharedlib: lib/libimagequant.h
-+$(SHAREDLIB): config.mk $(LIBDISTFILES)
- 	$(MAKE) -C lib shared
- 
--$(SHAREDLIB): config.mk sharedlib
+-	$(MAKE) -C lib shared
 -
+-$(SHAREDLIB): config.mk sharedlib
++$(SHAREDLIB): config.mk
+ 
  $(OBJS): $(wildcard *.h) config.mk
  
  rwpng_cocoa.o: rwpng_cocoa.m
@@ -51,7 +53,7 @@
  
  dist: $(TARFILE)
  
-@@ -94,5 +91,5 @@ endif
+@@ -94,5 +90,5 @@ endif
  lib/libimagequant.h:
  	git submodule init && git submodule update || true
  

pngquant.spec

@@ -12,12 +12,12 @@ License:    GPLv3+
 
 URL:        http://%{name}.org
 Source0:    https://github.com/pornel/%{name}/archive/%{version}/%{name}-%{version}.tar.gz
-Source1:    https://github.com/ImageOptim/libimagequant/archive/%{version}/%{libname}-%{version}.tar.gz
 Patch1:     pngquant-2.9.2-Makefile.patch
 
 BuildRequires:  libpng-devel >= 1.2.46-1
 BuildRequires:  zlib-devel >= 1.2.3-1
 BuildRequires:  lcms2-devel
+BuildRequires:  %{libname}-devel >= %{version}-%{release}
 Requires:       libpng%{?_isa} >= 1.2.46-1
 Requires:       zlib%{?_isa} >= 1.2.3-1
 Requires:       %{libname}%{?_isa} = %{version}-%{release}
@@ -31,33 +31,10 @@ Internet Explorer 6.  Quantized files are often 40-70 percent smaller than
 their 24/32-bit version. %{name} uses the median cut algorithm.
 
 
-%package -n %{libname}
-Summary:    Small, portable C lib for HQ conversion of RGBA to 8-bit indexed-color
-
-
-%description -n %{libname}
-%{libname} converts 24/32-bit RGBA PNG images to 8-bit palette with alpha
-channel preserved.  Such images are compatible with all modern web browsers and
-a compatibility setting is available to help transparency degrade well in
-Internet Explorer 6.  Quantized files are often 40-70 percent smaller than
-their 24/32-bit version. %{libname} uses the median cut algorithm.
-
-
-%package -n %{libname}-devel
-Summary:    Development files for %{libname}
-Requires:   %{libname}%{?_isa} = %{version}-%{release}
-
-
-%description -n %{libname}-devel
-This package contains files for development with %{libname}.
-There is also some brief API-documentation.
-
-
 %prep
-%setup -q -a1
-rmdir lib/
-mv %{libname}-%{version} lib
-#rm lib/configure
+%setup -q
+ln -s /usr/include/libimagequant.h lib/
+ln -s %{_libdir}/libimagequant.so lib
 %patch1 -p1
 
 
@@ -72,42 +49,22 @@ mv %{libname}-%{version} lib
 mkdir -p %{buildroot}%{_includedir}/imagequant \
     %{buildroot}%{_libdir}
 
-# install libimagequant
-install -pm 0755 lib/%{libname}.so.0 \
-    %{buildroot}%{_libdir}
-ln -fs %{libname}.so.0 %{buildroot}%{_libdir}/%{libname}.so
-
-install -pm 0644 lib/*.h \
-    %{buildroot}%{_includedir}/imagequant
-
 %check
 make test SHARED=1
 
 
-%post -n %{libname} -p /sbin/ldconfig
-%postun -n %{libname} -p /sbin/ldconfig
-
-
 %files
 %doc README.md CHANGELOG
 %license COPYRIGHT
 %{_bindir}/%{name}
 %{_mandir}/man1/%{name}.1*
 
-%files -n %{libname}
-%license lib/COPYRIGHT
-%{_libdir}/%{libname}.so.*
-
-%files -n %{libname}-devel
-%doc lib/README.md
-%{_includedir}/imagequant
-%{_libdir}/%{libname}.so
-
 
 %changelog
-* Sun Apr 16 2017 Sérgio Basto <sergio@serjux.com> - 2.9.1-1
+* Wed Apr 19 2017 Sérgio Basto <sergio@serjux.com> - 2.9.1-2
 - Update pngquant to 2.9.1
 - Update Makefile to better handle build the shared libraries
+- Remove libimagequant sub-package and use the new libimagequant package.
 
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.8.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild