mupdf: build a shared library instead

pkgs/applications/misc/mupdf/default.nix

@@ -19,12 +19,42 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  my_soname = "libmupdf.so.1.3";
+  my_soname_js_none = "libmupdf-js-none.so.1.3";
   preBuild = ''
     export makeFlags="prefix=$out build=release XCFLAGS=-fpic"
     export NIX_CFLAGS_COMPILE=" $NIX_CFLAGS_COMPILE -I$(echo ${openjpeg}/include/openjpeg-*) "
+
+    # Copied from Gentoo ebuild
+    rm -rf thirdparty
+    sed -e "\$a\$(MUPDF_LIB): \$(MUPDF_JS_NONE_LIB)" \
+     -e "\$a\\\t\$(QUIET_LINK) \$(CC) \$(LDFLAGS) --shared -Wl,-soname -Wl,${my_soname} -Wl,--no-undefined -o \$@ \$^ \$(MUPDF_JS_NONE_LIB) \$(LIBS)" \
+     -e "/^MUPDF_LIB :=/s:=.*:= \$(OUT)/${my_soname}:" \
+     -e "\$a\$(MUPDF_JS_NONE_LIB):" \
+     -e "\$a\\\t\$(QUIET_LINK) \$(CC) \$(LDFLAGS) --shared -Wl,-soname -Wl,${my_soname_js_none} -Wl,--no-undefined -o \$@ \$^ \$(LIBS)" \
+     -e "/^MUPDF_JS_NONE_LIB :=/s:=.*:= \$(OUT)/${my_soname_js_none}:" \
+     -i Makefile
+
+    sed -e "s/libopenjpeg1/libopenjp2/" -i Makerules
   '';
 
   postInstall = ''
+    ln -s ${my_soname} $out/lib/libmupdf.so
+
+    mkdir -p "$out/lib/pkgconfig"
+    cat >"$out/lib/pkgconfig/mupdf.pc" <<EOF
+    prefix=$out
+    libdir=$out/lib
+    includedir=$out/include
+
+    Name: mupdf
+    Description: Library for rendering PDF documents
+    Requires: freetype2 libopenjp2 libcrypto
+    Version: 1.3
+    Libs: -L$out/lib -lmupdf
+    Cflags: -I$out/include
+    EOF
+
     mkdir -p $out/share/applications
     cat > $out/share/applications/mupdf.desktop <<EOF
     [Desktop Entry]