# PhysicsFS; a portable, flexible file i/o abstraction.

# Copyright (C) 2007 Ryan C. Gordon.

#

# Please see the file LICENSE in the source's root directory.

PROJECT(PhysicsFS)

SET(PHYSFS_VERSION 1.1.2)

# I hate that they define "WIN32" ... we're about to move to Win64...I hope!

IF(WIN32 AND NOT WINDOWS)

SET(WINDOWS TRUE)

ENDIF(WIN32 AND NOT WINDOWS)

# Bleh, let's do it for "APPLE" too.

IF(APPLE AND NOT MACOSX)

SET(MACOSX TRUE)

ENDIF(APPLE AND NOT MACOSX)

INCLUDE(CheckIncludeFile)

INCLUDE(CheckLibraryExists)

INCLUDE(CheckCSourceCompiles)

INCLUDE_DIRECTORIES(.)

#INCLUDE_DIRECTORIES(platform)

#INCLUDE_DIRECTORIES(archivers)

# Fallback to older Mac OS X on PowerPC to support a wider range of systems...

IF(MACOSX)

IF(CMAKE_OSX_ARCHITECTURES MATCHES ppc)

ADD_DEFINITIONS(-DMAC_OS_X_VERSION_MIN_REQUIRED=1020 -fno-common)

SET(OTHER_LDFLAGS ${OTHER_LDFLAGS} "-mmacosx-version-min=10.2 -framework Carbon -framework IOKit")

ENDIF(CMAKE_OSX_ARCHITECTURES MATCHES ppc)

ENDIF(MACOSX)

# Add some gcc-specific command lines.

IF(CMAKE_COMPILER_IS_GNUCC)

# Always build with debug symbols...you can strip it later.

ADD_DEFINITIONS(-g -pipe -Wall -Werror -fsigned-char)

CHECK_C_SOURCE_COMPILES("

#if ((defined(__GNUC__)) && (__GNUC__ >= 4))

int main(int argc, char **argv) { int is_gcc4 = 1; return 0; }

#else

#error This is not gcc4.

#endif

" PHYSFS_IS_GCC4)

IF(PHYSFS_IS_GCC4)

ADD_DEFINITIONS(-fvisibility=hidden)

ENDIF(PHYSFS_IS_GCC4)

ENDIF(CMAKE_COMPILER_IS_GNUCC)

# Basic chunks of source code ...

SET(ZLIB_SRCS

zlib123/adler32.c

zlib123/compress.c

zlib123/crc32.c

zlib123/deflate.c

zlib123/gzio.c

zlib123/infback.c

zlib123/inffast.c

zlib123/inflate.c

zlib123/inftrees.c

zlib123/trees.c

zlib123/uncompr.c

zlib123/zutil.c

)

SET(LZMA_SRCS

lzma/7zBuffer.c

lzma/7zCrc.c

lzma/7zDecode.c

lzma/7zExtract.c

lzma/7zHeader.c

lzma/7zIn.c

lzma/7zItem.c

lzma/7zMethodID.c

lzma/LzmaDecode.c

lzma/LzmaStateDecode.c

)

SET(PHYSFS_SRCS

physfs.c

physfs_byteorder.c

physfs_unicode.c

archivers/dir.c

)

# platform layers ...

IF(UNIX)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} platform/posix.c)

IF(BEOS)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} platform/beos.cpp)

SET(PHYSFS_HAVE_CDROM_SUPPORT TRUE)

ELSE(BEOS)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} platform/unix.c)

# !!! FIXME

# AC_DEFINE([PHYSFS_HAVE_LLSEEK], 1, [define if we have llseek])

CHECK_INCLUDE_FILE(sys/ucred.h HAVE_UCRED_H)

IF(HAVE_UCRED_H)

ADD_DEFINITIONS(-DPHYSFS_HAVE_SYS_UCRED_H=1)

SET(PHYSFS_HAVE_CDROM_SUPPORT TRUE)

ENDIF(HAVE_UCRED_H)

CHECK_INCLUDE_FILE(mntent.h HAVE_MNTENT_H)

IF(HAVE_MNTENT_H)

ADD_DEFINITIONS(-DPHYSFS_HAVE_MNTENT_H=1)

SET(PHYSFS_HAVE_CDROM_SUPPORT TRUE)

ENDIF(HAVE_MNTENT_H)

ENDIF(BEOS)

CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)

IF(HAVE_PTHREAD_H)

SET(PHYSFS_HAVE_THREAD_SUPPORT TRUE)

ELSE(HAVE_PTHREAD_H)

ADD_DEFINITIONS(-DPHYSFS_NO_PTHREADS_SUPPORT=1)

ENDIF(HAVE_PTHREAD_H)

ENDIF(UNIX)

IF(WINDOWS)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} platform/windows.c)

SET(PHYSFS_HAVE_CDROM_SUPPORT TRUE)

SET(PHYSFS_HAVE_THREAD_SUPPORT TRUE)

# !!! FIXME: platform/pocketpc.c ... ?

ENDIF(WINDOWS)

IF(NOT PHYSFS_HAVE_CDROM_SUPPORT)

ADD_DEFINITIONS(-DPHYSFS_NO_CDROM_SUPPORT=1)

MESSAGE(WARNING " ***")

MESSAGE(WARNING " *** There is no CD-ROM support in this build!")

MESSAGE(WARNING " *** PhysicsFS will just pretend there are no discs.")

MESSAGE(WARNING " *** This may be fine, depending on how PhysicsFS is used,")

MESSAGE(WARNING " *** but is this what you REALLY wanted?")

MESSAGE(WARNING " *** (Maybe fix CMakeLists.txt, or write a platform driver?)")

MESSAGE(WARNING " ***")

ENDIF(NOT PHYSFS_HAVE_CDROM_SUPPORT)

IF(PHYSFS_HAVE_THREAD_SUPPORT)

ADD_DEFINITIONS(-D_REENTRANT -D_THREAD_SAFE)

ELSE(PHYSFS_HAVE_THREAD_SUPPORT)

MESSAGE(WARNING " ***")

MESSAGE(WARNING " *** There is no thread support in this build!")

MESSAGE(WARNING " *** PhysicsFS will NOT be reentrant!")

MESSAGE(WARNING " *** This may be fine, depending on how PhysicsFS is used,")

MESSAGE(WARNING " *** but is this what you REALLY wanted?")

MESSAGE(WARNING " *** (Maybe fix CMakeLists.txt, or write a platform driver?)")

MESSAGE(WARNING " ***")

ENDIF(PHYSFS_HAVE_THREAD_SUPPORT)

# Archivers ...

OPTION(PHYSFS_ARCHIVE_ZIP "Enable ZIP support" TRUE)

IF(PHYSFS_ARCHIVE_ZIP)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_ZIP=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/zip.c)

SET(PHYSFS_NEED_ZLIB TRUE)

ENDIF(PHYSFS_ARCHIVE_ZIP)

OPTION(PHYSFS_ARCHIVE_7Z "Enable 7zip support" TRUE)

IF(PHYSFS_ARCHIVE_7Z)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_7Z=1)

# !!! FIXME: rename to 7z.c?

SET(PHYSFS_SRCS ${PHYSFS_SRCS} ${LZMA_SRCS} archivers/lzma.c)

INCLUDE_DIRECTORIES(lzma)

ADD_DEFINITIONS(-D_LZMA_IN_CB=1)

ADD_DEFINITIONS(-D_LZMA_PROB32=1)

ADD_DEFINITIONS(-D_LZMA_SYSTEM_SIZE_T=1)

ADD_DEFINITIONS(-D_SZ_ONE_DIRECTORY=1)

ENDIF(PHYSFS_ARCHIVE_7Z)

OPTION(PHYSFS_ARCHIVE_GRP "Enable Build Engine GRP support" TRUE)

IF(PHYSFS_ARCHIVE_GRP)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_GRP=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/grp.c)

ENDIF(PHYSFS_ARCHIVE_GRP)

OPTION(PHYSFS_ARCHIVE_WAD "Enable Doom WAD support" TRUE)

IF(PHYSFS_ARCHIVE_WAD)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_WAD=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/wad.c)

ENDIF(PHYSFS_ARCHIVE_WAD)

OPTION(PHYSFS_ARCHIVE_HOG "Enable Descent I/II HOG support" TRUE)

IF(PHYSFS_ARCHIVE_HOG)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_HOG=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/hog.c)

ENDIF(PHYSFS_ARCHIVE_HOG)

OPTION(PHYSFS_ARCHIVE_MVL "Enable Descent I/II MVL support" TRUE)

IF(PHYSFS_ARCHIVE_MVL)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_MVL=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/mvl.c)

ENDIF(PHYSFS_ARCHIVE_MVL)

OPTION(PHYSFS_ARCHIVE_QPAK "Enable Quake I/II QPAK support" TRUE)

IF(PHYSFS_ARCHIVE_QPAK)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_QPAK=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/qpak.c)

ENDIF(PHYSFS_ARCHIVE_QPAK)

OPTION(PHYSFS_ARCHIVE_MIX "Enable Westwood MIX support" FALSE)

IF(PHYSFS_ARCHIVE_MIX)

ADD_DEFINITIONS(-DPHYSFS_SUPPORTS_MIX=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} archivers/mix.c)

ENDIF(PHYSFS_ARCHIVE_MIX)

# See if some archiver required zlib, and see about using system version.

IF(PHYSFS_NEED_ZLIB)

CHECK_INCLUDE_FILE(zlib.h HAVE_ZLIB_H)

IF(HAVE_ZLIB_H)

CHECK_LIBRARY_EXISTS("z" "inflate" "" HAVE_LIBZ)

IF(HAVE_LIBZ)

SET(HAVE_SYSTEM_ZLIB TRUE)

ENDIF(HAVE_LIBZ)

ENDIF(HAVE_ZLIB_H)

IF(HAVE_SYSTEM_ZLIB)

OPTION(PHYSFS_INTERNAL_ZLIB "Link own zlib instead of system library" FALSE)

ELSE(HAVE_SYSTEM_ZLIB)

SET(PHYSFS_INTERNAL_ZLIB TRUE)

ENDIF(HAVE_SYSTEM_ZLIB)

IF(PHYSFS_INTERNAL_ZLIB)

INCLUDE_DIRECTORIES(zlib123)

ADD_DEFINITIONS(-DZ_PREFIX=1)

SET(PHYSFS_SRCS ${PHYSFS_SRCS} ${ZLIB_SRCS})

ELSE(PHYSFS_INTERNAL_ZLIB)

SET(OPTIONAL_LIBRARY_LIBS ${OPTIONAL_LIBRARY_LIBS} z)

ENDIF(PHYSFS_INTERNAL_ZLIB)

ENDIF(PHYSFS_NEED_ZLIB)

ADD_LIBRARY(physfs SHARED ${PHYSFS_SRCS})

TARGET_LINK_LIBRARIES(physfs ${OPTIONAL_LIBRARY_LIBS} ${OTHER_LDFLAGS})

OPTION(PHYSFS_BUILD_TEST "Build test program." TRUE)

MARK_AS_ADVANCED(PHYSFS_BUILD_TEST)

IF(PHYSFS_BUILD_TEST)

CHECK_INCLUDE_FILE(readline/readline.h HAVE_READLINE_H)

CHECK_INCLUDE_FILE(readline/history.h HAVE_HISTORY_H)

IF(HAVE_READLINE_H AND HAVE_HISTORY_H)

SET(CMAKE_REQUIRED_LIBRARIES curses)

CHECK_LIBRARY_EXISTS("readline" "readline" "" HAVE_LIBREADLINE)

CHECK_LIBRARY_EXISTS("readline" "history" "" HAVE_LIBHISTORY)

IF(HAVE_LIBREADLINE AND HAVE_LIBHISTORY)

SET(HAVE_SYSTEM_READLINE TRUE)

SET(TEST_PHYSFS_LIBS ${TEST_PHYSFS_LIBS} " " readline curses)

ADD_DEFINITIONS(-DPHYSFS_HAVE_READLINE=1)

ENDIF(HAVE_LIBREADLINE AND HAVE_LIBHISTORY)

ENDIF(HAVE_READLINE_H AND HAVE_HISTORY_H)

ADD_EXECUTABLE(test_physfs test/test_physfs.c)

TARGET_LINK_LIBRARIES(test_physfs physfs ${TEST_PHYSFS_LIBS} ${OTHER_LDFLAGS})

ENDIF(PHYSFS_BUILD_TEST)

FIND_PACKAGE(Doxygen)

IF(DOXYGEN_FOUND)

ADD_CUSTOM_TARGET(docs ${DOXYGEN_EXECUTABLE} COMMENT "Building documentation")

ELSE(DOXYGEN_FOUND)

MESSAGE(STATUS "Doxygen not found. You won't be able to build documentation.")

ENDIF(DOXYGEN_FOUND)

MACRO(MESSAGE_BOOL_OPTION _NAME _VALUE)

IF(${_VALUE})

MESSAGE(STATUS " ${_NAME}: enabled")

ELSE(${_VALUE})

MESSAGE(STATUS " ${_NAME}: disabled")

ENDIF(${_VALUE})

ENDMACRO(MESSAGE_BOOL_OPTION)

MESSAGE(STATUS "PhysicsFS will build with the following options:")

MESSAGE_BOOL_OPTION("ZIP support" PHYSFS_ARCHIVE_ZIP)

MESSAGE_BOOL_OPTION("7zip support" PHYSFS_ARCHIVE_7Z)

MESSAGE_BOOL_OPTION("GRP support" PHYSFS_ARCHIVE_GRP)

MESSAGE_BOOL_OPTION("WAD support" PHYSFS_ARCHIVE_WAD)

MESSAGE_BOOL_OPTION("HOG support" PHYSFS_ARCHIVE_HOG)

MESSAGE_BOOL_OPTION("MVL support" PHYSFS_ARCHIVE_MVL)

MESSAGE_BOOL_OPTION("QPAK support" PHYSFS_ARCHIVE_QPAK)

MESSAGE_BOOL_OPTION("MIX support" PHYSFS_ARCHIVE_MIX)

MESSAGE_BOOL_OPTION("CD-ROM drive support" PHYSFS_HAVE_CDROM_SUPPORT)

MESSAGE_BOOL_OPTION("Thread safety" PHYSFS_HAVE_THREAD_SUPPORT)

MESSAGE_BOOL_OPTION("Build own zlib" PHYSFS_INTERNAL_ZLIB)

MESSAGE_BOOL_OPTION("Build test program" PHYSFS_BUILD_TEST)

IF(PHYSFS_BUILD_TEST)

MESSAGE_BOOL_OPTION(" Use readline in test program" HAVE_SYSTEM_READLINE)

ENDIF(PHYSFS_BUILD_TEST)

# end of CMakeLists.txt ...