cmake: PDF cleanup

- explicitly list files
- support unbundled zlib
- prepare for unbundled hpdf and libpng

Reviewed-by: Roger Meier <r.meier@siemens.com>

PDF/CMakeLists.txt

@@ -1,6 +1,120 @@
 set(LIBNAME "PocoPDF")
 
-aux_source_directory(src SRCS)
+set(SRCS
+    src/Destination.cpp
+    src/Document.cpp
+    src/Encoder.cpp
+    src/Font.cpp
+    src/Image.cpp
+    src/LinkAnnotation.cpp
+    src/Outline.cpp
+    src/Page.cpp
+    src/PDFException.cpp
+    src/TextAnnotation.cpp
+)
+
+# If POCO_UNBUNDLED is enabled we try to find the required packages
+# The configuration will fail if the packages are not found
+if (POCO_UNBUNDLED)
+    find_package(ZLIB REQUIRED)
+    set(SYSLIBS ${SYSLIBS} ${ZLIB_LIBRARIES})
+    include_directories(${ZLIB_INCLUDE_DIRS})
+else()
+    # ZLIB
+    list(APPEND SRCS
+        src/adler32.c
+        src/compress.c
+        src/crc32.c
+        src/deflate.c
+        src/gzio.c
+        src/infback.c
+        src/inffast.c
+        src/inflate.c
+        src/inftrees.c
+        src/trees.c
+        src/zutil.c
+    )
+endif (POCO_UNBUNDLED)
+
+# TODO: Currently only bundled is supported, in future this should also be possible
+# with an unbundled version of hpdf
+# HPDF
+list(APPEND SRCS
+    src/hpdf_annotation.c
+    src/hpdf_array.c
+    src/hpdf_binary.c
+    src/hpdf_boolean.c
+    src/hpdf_catalog.c
+    src/hpdf_destination.c
+    src/hpdf_dict.c
+    src/hpdf_doc.c
+    src/hpdf_doc_png.c
+    src/hpdf_encoder.c
+    src/hpdf_encoder_cns.c
+    src/hpdf_encoder_cnt.c
+    src/hpdf_encoder_jp.c
+    src/hpdf_encoder_kr.c
+    src/hpdf_encrypt.c
+    src/hpdf_encryptdict.c
+    src/hpdf_error.c
+    src/hpdf_ext_gstate.c
+    src/hpdf_font.c
+    src/hpdf_font_cid.c
+    src/hpdf_fontdef_base14.c
+    src/hpdf_fontdef.c
+    src/hpdf_fontdef_cid.c
+    src/hpdf_fontdef_cns.c
+    src/hpdf_fontdef_cnt.c
+    src/hpdf_fontdef_jp.c
+    src/hpdf_fontdef_kr.c
+    src/hpdf_fontdef_tt.c
+    src/hpdf_fontdef_type1.c
+    src/hpdf_font_tt.c
+    src/hpdf_font_type1.c
+    src/hpdf_gstate.c
+    src/hpdf_image.c
+    src/hpdf_image_png.c
+    src/hpdf_info.c
+    src/hpdf_list.c
+    src/hpdf_mmgr.c
+    src/hpdf_name.c
+    src/hpdf_null.c
+    src/hpdf_number.c
+    src/hpdf_objects.c
+    src/hpdf_outline.c
+    src/hpdf_page_label.c
+    src/hpdf_page_operator.c
+    src/hpdf_pages.c
+    src/hpdf_real.c
+    src/hpdf_streams.c
+    src/hpdf_string.c
+    src/hpdf_utils.c
+    src/hpdf_xref.c
+)
+
+# TODO: Currently only bundled is supported, in future this should also be possible
+# with an unbundled version of libpng
+list(APPEND SRCS
+    src/png.c
+    src/pngerror.c
+    src/pnggccrd.c
+    src/pngget.c
+    src/pngmem.c
+    src/pngpread.c
+    src/pngread.c
+    src/pngrio.c
+    src/pngrtran.c
+    src/pngrutil.c
+    src/pngset.c
+    src/pngtest.c
+    src/pngtrans.c
+    src/pngvcrd.c
+    src/pngwio.c
+    src/pngwrite.c
+    src/pngwtran.c
+    src/pngwutil.c
+)
+
 include_directories(include/Poco/PDF) # zip src
 
 if (NOT POCO_STATIC)
@@ -8,17 +122,17 @@ if (NOT POCO_STATIC)
 endif (NOT POCO_STATIC)
 
 add_library( ${LIBNAME} ${LIB_MODE} ${SRCS} )
-set_target_properties( ${LIBNAME} 
+set_target_properties( ${LIBNAME}
 	PROPERTIES
 	VERSION ${SHARED_LIBRARY_VERSION} SOVERSION ${SHARED_LIBRARY_VERSION} )
-target_link_libraries( ${LIBNAME} PocoFoundation)
+target_link_libraries( ${LIBNAME} ${SYSLIBS} PocoFoundation )
 
 install(
     DIRECTORY include/Poco
     DESTINATION include
     PATTERN ".svn" EXCLUDE
     )
-    
+
 install(
     TARGETS ${LIBNAME}
     LIBRARY DESTINATION lib${LIB_SUFFIX}