misc/libphysfs/CMakeLists.txt
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# PhysicsFS; a portable, flexible file i/o abstraction.
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# Copyright (C) 2007  Ryan C. Gordon.
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#
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# Please see the file LICENSE.txt in the source's root directory.
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## lines starting with '##' are lines overridden/modified/added by Hedgewars configuration
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##CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
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##PROJECT(PhysicsFS)
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set(PHYSFS_VERSION 2.1.0)
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# Increment this if/when we break backwards compatibility.
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set(PHYSFS_SOVERSION 1)
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# I hate that they define "WIN32" ... we're about to move to Win64...I hope!
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if(WIN32 AND NOT WINDOWS)
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    set(WINDOWS TRUE)
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endif(WIN32 AND NOT WINDOWS)
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# Bleh, let's do it for "APPLE" too.
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if(APPLE AND NOT MACOSX)
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    set(MACOSX TRUE)
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endif(APPLE AND NOT MACOSX)
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# For now, Haiku and BeOS are the same, as far as the build system cares.
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if(HAIKU AND NOT BEOS)
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    set(BEOS TRUE)
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endif(HAIKU AND NOT BEOS)
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if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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    set(SOLARIS TRUE)
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endif(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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include(CheckIncludeFile)
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include(CheckLibraryExists)
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include(CheckCSourceCompiles)
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if(MACOSX)
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    # Fallback to older OS X on PowerPC to support wider range of systems...
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    if(CMAKE_OSX_ARCHITECTURES MATCHES ppc)
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        add_definitions(-DMAC_OS_X_VERSION_MIN_REQUIRED=1020)
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        set(OTHER_LDFLAGS ${OTHER_LDFLAGS} " -mmacosx-version-min=10.2")
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    endif(CMAKE_OSX_ARCHITECTURES MATCHES ppc)
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    # Need these everywhere...
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    add_definitions(-fno-common)
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    find_library(iokit_framework NAMES IOKit)
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    list(APPEND OTHER_LDFLAGS ${iokit_framework})
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endif(MACOSX)
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# Add some gcc-specific command lines.
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if(CMAKE_COMPILER_IS_GNUCC)
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    # Always build with debug symbols...you can strip it later.
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    add_definitions(-g -pipe -Werror -fsigned-char)
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    # Stupid BeOS generates warnings in the system headers.
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    if(NOT BEOS)
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        add_definitions(-Wall)
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    endif(NOT BEOS)
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    CHECK_C_SOURCE_COMPILES("
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        #if ((defined(__GNUC__)) && (__GNUC__ >= 4))
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        int main(int argc, char **argv) { int is_gcc4 = 1; return 0; }
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        #else
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        #error This is not gcc4.
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        #endif
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    " PHYSFS_IS_GCC4)
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    if(PHYSFS_IS_GCC4)
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        # Not supported on several operating systems at this time.
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        if(NOT SOLARIS AND NOT WINDOWS)
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            add_definitions(-fvisibility=hidden)
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        endif(NOT SOLARIS AND NOT WINDOWS)
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    endif(PHYSFS_IS_GCC4)
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    # Don't use -rpath.
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    set(CMAKE_SKIP_RPATH ON CACHE BOOL "Skip RPATH" FORCE)
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endif(CMAKE_COMPILER_IS_GNUCC)
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if(CMAKE_C_COMPILER_ID STREQUAL "SunPro")
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    add_definitions(-erroff=E_EMPTY_TRANSLATION_UNIT)
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    add_definitions(-xldscope=hidden)
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endif(CMAKE_C_COMPILER_ID STREQUAL "SunPro")
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if(MSVC)
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    # VS.NET 8.0 got really really anal about strcpy, etc, which even if we
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    #  cleaned up our code, zlib, etc still use...so disable the warning.
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    add_definitions(-D_CRT_SECURE_NO_WARNINGS=1)
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endif(MSVC)
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if(BEOS)
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    # We add this explicitly, since we don't want CMake to think this
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    #  is a C++ project unless we're on BeOS.
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    set(PHYSFS_BEOS_SRCS src/platform_beos.cpp)
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    find_library(BE_LIBRARY be)
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    find_library(ROOT_LIBRARY root)
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    set(optional_library_libs ${optional_library_libs} ${BE_LIBRARY} ${ROOT_LIBRARY})
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endif(BEOS)
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# Almost everything is "compiled" here, but things that don't apply to the
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#  build are #ifdef'd out. This is to make it easy to embed PhysicsFS into
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#  another project or bring up a new build system: just compile all the source
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#  code and #define the things you want.
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set(PHYSFS_SRCS
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    physfs.c
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    physfs_byteorder.c
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    physfs_unicode.c
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    platform_posix.c
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    platform_unix.c
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    platform_macosx.c
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    platform_windows.c
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    archiver_dir.c
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    archiver_unpacked.c
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    archiver_grp.c
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    archiver_hog.c
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    archiver_lzma.c
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    archiver_mvl.c
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    archiver_qpak.c
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    archiver_wad.c
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    archiver_zip.c
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    archiver_iso9660.c
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    ${PHYSFS_BEOS_SRCS}
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)
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# platform layers ...
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if(UNIX)
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    if(BEOS)
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        set(PHYSFS_HAVE_CDROM_SUPPORT TRUE)
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        set(PHYSFS_HAVE_THREAD_SUPPORT TRUE)
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        set(HAVE_PTHREAD_H TRUE)
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    else(BEOS)
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        CHECK_INCLUDE_FILE(sys/ucred.h HAVE_UCRED_H)
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        if(HAVE_UCRED_H)
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            add_definitions(-DPHYSFS_HAVE_SYS_UCRED_H=1)
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            set(PHYSFS_HAVE_CDROM_SUPPORT TRUE)
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        endif(HAVE_UCRED_H)
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        CHECK_INCLUDE_FILE(mntent.h HAVE_MNTENT_H)
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        if(HAVE_MNTENT_H)
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            add_definitions(-DPHYSFS_HAVE_MNTENT_H=1)
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            set(PHYSFS_HAVE_CDROM_SUPPORT TRUE)
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        endif(HAVE_MNTENT_H)
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        # !!! FIXME: Solaris fails this, because mnttab.h implicitly
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        # !!! FIXME:  depends on other system headers.  :(
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        #CHECK_INCLUDE_FILE(sys/mnttab.h HAVE_SYS_MNTTAB_H)
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        CHECK_C_SOURCE_COMPILES("
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            #include <stdio.h>
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            #include <sys/mnttab.h>
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            int main(int argc, char **argv) { return 0; }
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        " HAVE_SYS_MNTTAB_H)
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        if(HAVE_SYS_MNTTAB_H)
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            add_definitions(-DPHYSFS_HAVE_SYS_MNTTAB_H=1)
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            set(PHYSFS_HAVE_CDROM_SUPPORT TRUE)
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        endif(HAVE_SYS_MNTTAB_H)
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        CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
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        if(HAVE_PTHREAD_H)
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            set(PHYSFS_HAVE_THREAD_SUPPORT TRUE)
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        endif(HAVE_PTHREAD_H)
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    endif(BEOS)
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endif(UNIX)
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if(WINDOWS)
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    set(PHYSFS_HAVE_CDROM_SUPPORT TRUE)
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    set(PHYSFS_HAVE_THREAD_SUPPORT TRUE)
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endif(WINDOWS)
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if(NOT PHYSFS_HAVE_CDROM_SUPPORT)
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    add_definitions(-DPHYSFS_NO_CDROM_SUPPORT=1)
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    message(WARNING " ***")
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    message(WARNING " *** There is no CD-ROM support in this build!")
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    message(WARNING " *** PhysicsFS will just pretend there are no discs.")
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    message(WARNING " *** This may be fine, depending on how PhysicsFS is used,")
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    message(WARNING " ***   but is this what you REALLY wanted?")
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    message(WARNING " *** (Maybe fix CMakeLists.txt, or write a platform driver?)")
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    message(WARNING " ***")
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endif(NOT PHYSFS_HAVE_CDROM_SUPPORT)
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if(PHYSFS_HAVE_THREAD_SUPPORT)
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    add_definitions(-D_REENTRANT -D_THREAD_SAFE)
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else(PHYSFS_HAVE_THREAD_SUPPORT)
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    add_definitions(-DPHYSFS_NO_THREAD_SUPPORT=1)
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    message(WARNING " ***")
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    message(WARNING " *** There is no thread support in this build!")
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    message(WARNING " *** PhysicsFS will NOT be reentrant!")
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    message(WARNING " *** This may be fine, depending on how PhysicsFS is used,")
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    message(WARNING " ***   but is this what you REALLY wanted?")
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    message(WARNING " *** (Maybe fix CMakeLists.txt, or write a platform driver?)")
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    message(WARNING " ***")
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endif(PHYSFS_HAVE_THREAD_SUPPORT)
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# Archivers ...
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option(PHYSFS_ARCHIVE_ZIP "Enable ZIP support" TRUE)
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if(PHYSFS_ARCHIVE_ZIP)
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    add_definitions(-DPHYSFS_SUPPORTS_ZIP=1)
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    set(PHYSFS_FEATURES "ZIP")
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endif(PHYSFS_ARCHIVE_ZIP)
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#option(PHYSFS_ARCHIVE_GRP "Enable Build Engine GRP support" TRUE)
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#if(PHYSFS_ARCHIVE_GRP)
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#    add_definitions(-DPHYSFS_SUPPORTS_GRP=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} GRP")
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#endif(PHYSFS_ARCHIVE_GRP)
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#option(PHYSFS_ARCHIVE_WAD "Enable Doom WAD support" TRUE)
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#if(PHYSFS_ARCHIVE_WAD)
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#    add_definitions(-DPHYSFS_SUPPORTS_WAD=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} WAD")
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#endif(PHYSFS_ARCHIVE_WAD)
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#option(PHYSFS_ARCHIVE_HOG "Enable Descent I/II HOG support" TRUE)
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#if(PHYSFS_ARCHIVE_HOG)
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#    add_definitions(-DPHYSFS_SUPPORTS_HOG=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} HOG")
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#endif(PHYSFS_ARCHIVE_HOG)
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#option(PHYSFS_ARCHIVE_MVL "Enable Descent I/II MVL support" TRUE)
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#if(PHYSFS_ARCHIVE_MVL)
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#    add_definitions(-DPHYSFS_SUPPORTS_MVL=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} MVL")
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#endif(PHYSFS_ARCHIVE_MVL)
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#option(PHYSFS_ARCHIVE_QPAK "Enable Quake I/II QPAK support" TRUE)
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#if(PHYSFS_ARCHIVE_QPAK)
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#    add_definitions(-DPHYSFS_SUPPORTS_QPAK=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} QPAK")
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#endif(PHYSFS_ARCHIVE_QPAK)
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#option(PHYSFS_ARCHIVE_ISO9660 "Enable ISO9660 support" TRUE)
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#if(PHYSFS_ARCHIVE_ISO9660)
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#    add_definitions(-DPHYSFS_SUPPORTS_ISO9660=1)
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#    set(PHYSFS_FEATURES "${PHYSFS_FEATURES} CD-ROM")
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#endif(PHYSFS_ARCHIVE_ISO9660)
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##as needed by Hedgewars configuration
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if(WINDOWS)
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    option(PHYSFS_BUILD_STATIC "Build static library" FALSE)
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    option(PHYSFS_BUILD_SHARED "Build shared library" TRUE)
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    list(APPEND OTHER_LDFLAGS ${SDL_LIBRARY})
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else(WINDOWS)
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    option(PHYSFS_BUILD_STATIC "Build static library" TRUE)
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    option(PHYSFS_BUILD_SHARED "Build shared library" FALSE)
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endif(WINDOWS)
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if(PHYSFS_BUILD_STATIC)
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    add_library(physfs STATIC ${PHYSFS_SRCS})
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    set_target_properties(physfs PROPERTIES OUTPUT_NAME ${physfs_output_name}) ##
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    set(lib_prefix ${CMAKE_STATIC_LIBRARY_PREFIX}) ##
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    set(lib_suffix ${CMAKE_STATIC_LIBRARY_SUFFIX}) ##
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endif(PHYSFS_BUILD_STATIC)
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if(PHYSFS_BUILD_SHARED)
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    add_library(physfs SHARED ${PHYSFS_SRCS})
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    set_target_properties(physfs PROPERTIES VERSION ${PHYSFS_VERSION})
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    set_target_properties(physfs PROPERTIES SOVERSION ${PHYSFS_SOVERSION})
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    set_target_properties(physfs PROPERTIES OUTPUT_NAME ${physfs_output_name}) ##
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    target_link_libraries(physfs ${optional_library_libs} ${OTHER_LDFLAGS})
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    install(TARGETS physfs RUNTIME DESTINATION ${target_library_install_dir}) ##
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    set(lib_prefix ${CMAKE_SHARED_LIBRARY_PREFIX}) ##
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    set(lib_suffix ${CMAKE_SHARED_LIBRARY_SUFFIX}) ##
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endif(PHYSFS_BUILD_SHARED)
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if(NOT PHYSFS_BUILD_SHARED AND NOT PHYSFS_BUILD_STATIC)
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    message(FATAL "Both shared and static libraries are disabled!")
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endif(NOT PHYSFS_BUILD_SHARED AND NOT PHYSFS_BUILD_STATIC)
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# CMake FAQ says I need this...
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if(PHYSFS_BUILD_SHARED AND PHYSFS_BUILD_STATIC)
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    set_target_properties(physfs PROPERTIES CLEAN_DIRECT_OUTPUT 1)
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endif(PHYSFS_BUILD_SHARED AND PHYSFS_BUILD_STATIC)
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## added standard variables emulating the FindPhysFS.cmake ones (FORCE or cmake won't pick 'em)
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set(PHYSFS_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/misc/libphysfs/ CACHE STRING "" FORCE)
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set(PHYSFS_LIBRARY ${LIBRARY_OUTPUT_PATH}/${lib_prefix}${physfs_output_name}${lib_suffix} CACHE STRING "" FORCE)
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## removed install, language bindings and test program
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## simplified configuration output
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#message(STATUS "PhysFS will be built with ${PHYSFS_FEATURES} support")
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