From 31b5da479daf58be2aef4f925850a0cd4c9267aa Mon Sep 17 00:00:00 2001
From: =?utf8?q?Peter=20K=C3=BCmmel?= <kuemmel@lyx.org>
Date: Wed, 9 Dec 2015 13:17:30 +0100
Subject: [PATCH] build zlib with cmake

---
 src/3rdparty/zlib/CMakeLists.txt | 159 +++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 src/3rdparty/zlib/CMakeLists.txt

diff --git a/src/3rdparty/zlib/CMakeLists.txt b/src/3rdparty/zlib/CMakeLists.txt
new file mode 100644
index 0000000000..9f930951cb
--- /dev/null
+++ b/src/3rdparty/zlib/CMakeLists.txt
@@ -0,0 +1,159 @@
+cmake_minimum_required(VERSION 2.4.4)
+set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
+
+project(zlib C)
+
+set(VERSION "1.2.8")
+set(SRCDIR ${CMAKE_CURRENT_SOURCE_DIR}/1.2.8)
+
+option(ASM686 "Enable building i686 assembly implementation")
+option(AMD64 "Enable building amd64 assembly implementation")
+
+include(CheckTypeSize)
+include(CheckFunctionExists)
+include(CheckIncludeFile)
+include(CheckCSourceCompiles)
+enable_testing()
+
+check_include_file(sys/types.h HAVE_SYS_TYPES_H)
+check_include_file(stdint.h    HAVE_STDINT_H)
+check_include_file(stddef.h    HAVE_STDDEF_H)
+
+#
+# Check to see if we have large file support
+#
+set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
+# We add these other definitions here because CheckTypeSize.cmake
+# in CMake 2.4.x does not automatically do so and we want
+# compatibility with CMake 2.4.x.
+if(HAVE_SYS_TYPES_H)
+    list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
+endif()
+if(HAVE_STDINT_H)
+    list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
+endif()
+if(HAVE_STDDEF_H)
+    list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
+endif()
+check_type_size(off64_t OFF64_T)
+if(HAVE_OFF64_T)
+   add_definitions(-D_LARGEFILE64_SOURCE=1)
+endif()
+set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
+
+#
+# Check for fseeko
+#
+check_function_exists(fseeko HAVE_FSEEKO)
+if(NOT HAVE_FSEEKO)
+    add_definitions(-DNO_FSEEKO)
+endif()
+
+#
+# Check for unistd.h
+#
+check_include_file(unistd.h Z_HAVE_UNISTD_H)
+
+if(MSVC)
+    set(CMAKE_DEBUG_POSTFIX "d")
+    add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
+    add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
+    include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+endif()
+
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+    # If we're doing an out of source build and the user has a zconf.h
+    # in their source tree...
+    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
+        message(STATUS "Renaming")
+        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
+        message(STATUS "to 'zconf.h.included' because this file is included with zlib")
+        message(STATUS "but CMake generates it automatically in the build directory.")
+        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
+  endif()
+endif()
+
+#set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
+#configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein ${ZLIB_PC} @ONLY)
+configure_file(${SRCDIR}/zconf.h.cmakein ${CMAKE_BINARY_DIR}/zconf.h @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR})
+
+
+#============================================================================
+# zlib
+#============================================================================
+
+set(ZLIB_PUBLIC_HDRS
+    ${CMAKE_BINARY_DIR}/zconf.h
+    ${SRCDIR}/zlib.h
+)
+set(ZLIB_PRIVATE_HDRS
+    ${SRCDIR}/crc32.h
+    ${SRCDIR}/deflate.h
+    ${SRCDIR}/gzguts.h
+    ${SRCDIR}/inffast.h
+    ${SRCDIR}/inffixed.h
+    ${SRCDIR}/inflate.h
+    ${SRCDIR}/inftrees.h
+    ${SRCDIR}/trees.h
+    ${SRCDIR}/zutil.h
+)
+set(ZLIB_SRCS
+    ${SRCDIR}/adler32.c
+    ${SRCDIR}/compress.c
+    ${SRCDIR}/crc32.c
+    ${SRCDIR}/deflate.c
+    ${SRCDIR}/gzclose.c
+    ${SRCDIR}/gzlib.c
+    ${SRCDIR}/gzread.c
+    ${SRCDIR}/gzwrite.c
+    ${SRCDIR}/inflate.c
+    ${SRCDIR}/infback.c
+    ${SRCDIR}/inftrees.c
+    ${SRCDIR}/inffast.c
+    ${SRCDIR}/trees.c
+    ${SRCDIR}/uncompr.c
+    ${SRCDIR}/zutil.c
+)
+
+
+if(CMAKE_COMPILER_IS_GNUCC)
+    if(ASM686)
+        set(ZLIB_ASMS contrib/asm686/match.S)
+    elseif (AMD64)
+        set(ZLIB_ASMS contrib/amd64/amd64-match.S)
+    endif ()
+
+	if(ZLIB_ASMS)
+		add_definitions(-DASMV)
+		set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE)
+	endif()
+endif()
+
+if(MSVC)
+    if(ASM686)
+		ENABLE_LANGUAGE(ASM_MASM)
+        set(ZLIB_ASMS
+			contrib/masmx86/inffas32.asm
+			contrib/masmx86/match686.asm
+		)
+    elseif (AMD64)
+		ENABLE_LANGUAGE(ASM_MASM)
+        set(ZLIB_ASMS
+			contrib/masmx64/gvmat64.asm
+			contrib/masmx64/inffasx64.asm
+		)
+    endif()
+
+	if(ZLIB_ASMS)
+		add_definitions(-DASMV -DASMINF)
+	endif()
+endif()
+
+add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+
+
+set(ZLIB_LIBRARY zlibstatic CACHE STRING "Zlib library" FORCE)
+set(ZLIB_INCLUDE_DIR  ${SRCDIR} CACHE STRING "Zlib include dir" FORCE)
+set(ZLIB_FOUND CACHE STRING "Zlib found" FORCE )
+
-- 
2.39.2