- new

- soname patch adds SONAME field to library
- shared patch makes pngquant program link with shared library instead of static

diff --git a/pngquant-shared.patch b/pngquant-shared.patch
new file mode 100644 (file)
index 0000000..9566b7f
--- /dev/null
+++ b/pngquant-shared.patch
@@ -0,0 +1,33 @@
+--- pngquant-2.4.1/Makefile.orig       2015-06-21 15:34:33.361895698 +0200
++++ pngquant-2.4.1/Makefile    2015-06-21 15:34:40.398562068 +0200
+@@ -10,7 +10,7 @@
+ OBJS += $(COCOA_OBJS)
+ endif
+ 
+-STATICLIB = lib/libimagequant.a
++SHAREDLIB = lib/libimagequant.so
+ 
+ DISTFILES = *.[chm] pngquant.1 Makefile configure README.md INSTALL CHANGELOG COPYRIGHT
+ TARNAME = pngquant-$(VERSION)
+@@ -24,17 +24,17 @@
+ 
+ all: $(BIN)
+ 
+-staticlib:
+-      $(MAKE) -C lib static
++sharedlib:
++      $(MAKE) -C lib shared
+ 
+-$(STATICLIB): config.mk staticlib
++$(SHAREDLIB): config.mk sharedlib
+ 
+ $(OBJS): $(wildcard *.h) config.mk
+ 
+ rwpng_cocoa.o: rwpng_cocoa.m
+       $(CC) -Wno-enum-conversion -c $(CFLAGS) -o $@ $< || clang -Wno-enum-conversion -c -O3 $(CFLAGS) -o $@ $<
+ 
+-$(BIN): $(OBJS) $(STATICLIB)
++$(BIN): $(OBJS) $(SHAREDLIB)
+       $(CC) $^ $(LDFLAGS) -o $@
+ 
+ test: $(BIN)

diff --git a/pngquant-soname.patch b/pngquant-soname.patch
new file mode 100644 (file)
index 0000000..f67c8ea
--- /dev/null
+++ b/pngquant-soname.patch
@@ -0,0 +1,12 @@
+--- pngquant-2.4.1/lib/Makefile.orig   2015-06-12 23:46:49.000000000 +0200
++++ pngquant-2.4.1/lib/Makefile        2015-06-21 15:21:49.201927767 +0200
+@@ -36,7 +36,8 @@
+       $(CC) -fPIC $(CFLAGS) -c $(@:.lo=.c) -o $@
+ 
+ $(SHAREDLIB): $(SHAREDOBJS)
+-      $(CC) -shared -o $@ $^ $(LDFLAGS)
++      $(CC) -shared -o $@ $^ $(LDFLAGS) -Wl,-soname,$(SHAREDLIB)
++      ln -sf $(SHAREDLIB) libimagequant.so
+ 
+ $(OBJS): $(wildcard *.h) config.mk
+ 

diff --git a/pngquant.spec b/pngquant.spec
new file mode 100644 (file)
index 0000000..ac38428
--- /dev/null
+++ b/pngquant.spec
@@ -0,0 +1,135 @@
+#
+# Conditional build:
+%bcond_without static_libs     # static library
+%bcond_without gomp            # OpenMP support
+%bcond_without lcms            # LCMS support
+%bcond_with    sse             # SSE instructions
+#
+%ifarch pentium3 pentium4 %{x8664} x32
+%define        with_sse        1
+%endif
+Summary:       PNG converter and lossy image compressor
+Summary(pl.UTF-8):     Konwerter i stratny kompresor dla plików PNG
+Name:          pngquant
+Version:       2.4.1
+Release:       1
+License:       BSD
+Group:         Libraries
+#Source0Download: https://pngquant.org/releases.html
+Source0:       https://pngquant.org/%{name}-%{version}-src.tar.bz2
+# Source0-md5: 2809b10f8d183853c1283cfdfa292ab3
+Patch0:                %{name}-soname.patch
+Patch1:                %{name}-shared.patch
+URL:           https://pngquant.org/
+%{?with_gomp:BuildRequires:    gcc >= 6:4.2}
+%{?with_gomp:BuildRequires:    libgomp-devel}
+%{?with_lcms:BuildRequires:    lcms2-devel >= 2}
+BuildRequires: libpng-devel
+BuildRequires: pkgconfig
+BuildRequires: zlib-devel
+Requires:      libimagequant = %{version}-%{release}
+BuildRoot:     %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+PNG converter and lossy image compressor.
+
+%description -l pl.UTF-8
+Konwerter i stratny kompresor dla plików PNG.
+
+%package -n libimagequant
+Summary:       Image Quantization library
+Summary(pl.UTF-8):     Biblioteka do kwantyzacji obrazów
+Group:         Libraries
+URL:           https://pngquant.org/lib/
+
+%description -n libimagequant
+Image Quantization library.
+
+%description -n libimagequant -l pl.UTF-8
+Biblioteka do kwantyzacji obrazów.
+
+%package -n libimagequant-devel
+Summary:       Header files for libimagequant library
+Summary(pl.UTF-8):     Pliki nagłówkowe biblioteki libimagequant
+Group:         Development/Libraries
+URL:           https://pngquant.org/lib/
+Requires:      libimagequant = %{version}-%{release}
+
+%description -n libimagequant-devel
+Header files for libimagequant library.
+
+%description -n libimagequant-devel -l pl.UTF-8
+Pliki nagłówkowe biblioteki libimagequant.
+
+%package -n libimagequant-static
+Summary:       Static libimagequant library
+Summary(pl.UTF-8):     Statyczna biblioteka libimagequant
+Group:         Development/Libraries
+URL:           https://pngquant.org/lib/
+Requires:      libimagequant-devel = %{version}-%{release}
+
+%description -n libimagequant-static
+Static libimagequant library.
+
+%description -n libimagequant-static -l pl.UTF-8
+Statyczna biblioteka libimagequant.
+
+%prep
+%setup -q
+%patch0 -p1
+%patch1 -p1
+
+%build
+# not autoconf configure
+./configure \
+       CC="%{__cc}" \
+       CFLAGS="%{rpmcflags} %{rpmcppflags}" \
+       LDFLAGS="%{rpmldflags}" \
+       --prefix=%{_prefix} \
+       %{?with_sse:--enable-sse} \
+       %{?with_lcms:--with-lcms2} \
+       %{?with_gomp:--with-openmp}
+
+%{__make} -C lib %{!?with_static_libs:shared}
+
+%{__make}
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT{%{_libdir},%{_includedir}}
+
+%{__make} install \
+       DESTDIR=$RPM_BUILD_ROOT
+
+cp -a lib/libimagequant.so* $RPM_BUILD_ROOT%{_libdir}
+%if %{with static_libs}
+cp -p lib/libimagequant.a $RPM_BUILD_ROOT%{_libdir}
+%endif
+cp -p lib/libimagequant.h $RPM_BUILD_ROOT%{_includedir}
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%post  -n libimagequant -p /sbin/ldconfig
+%postun        -n libimagequant -p /sbin/ldconfig
+
+%files
+%defattr(644,root,root,755)
+%doc CHANGELOG COPYRIGHT README.md
+%attr(755,root,root) %{_bindir}/pngquant
+
+%files -n libimagequant
+%defattr(644,root,root,755)
+%doc lib/{COPYRIGHT,MANUAL.md}
+%attr(755,root,root) %{_libdir}/libimagequant.so.0
+
+%files -n libimagequant-devel
+%defattr(644,root,root,755)
+%attr(755,root,root) %{_libdir}/libimagequant.so
+%{_includedir}/libimagequant.h
+
+%if %{with static_libs}
+%files -n libimagequant-static
+%defattr(644,root,root,755)
+%{_libdir}/libimagequant.a
+%endif