Remove SWIG stuff from build.

This is never going to work well everywhere. I'll leave the SWIG stuff
elsewhere, though, for those that want to build their own bindings.

CMakeLists.txt

@@ -303,195 +303,6 @@ if(PHYSFS_BUILD_TEST)
     set(PHYSFS_INSTALL_TARGETS ${PHYSFS_INSTALL_TARGETS} ";test_physfs")
 endif()
 
-
-# Scripting language bindings...
-
-#CMake's SWIG support is basically useless.
-#find_package(SWIG)
-
-option(PHYSFS_BUILD_SWIG "Build ${_LANG} bindings." TRUE)
-mark_as_advanced(PHYSFS_BUILD_SWIG)
-
-find_program(SWIG swig DOC "Path to swig command line app: http://swig.org/")
-if(NOT SWIG)
-    message(STATUS "SWIG not found. You won't be able to build scripting language bindings.")
-else()
-    mark_as_advanced(SWIG)
-    if(DEFINED CMAKE_BUILD_TYPE)
-        if((NOT CMAKE_BUILD_TYPE STREQUAL "") AND (NOT CMAKE_BUILD_TYPE STREQUAL "Debug"))
-            if(CMAKE_BUILD_TYPE STREQUAL "MinSizeRel")
-                set(SWIG_OPT_CFLAGS "-small")
-            else()
-                set(SWIG_OPT_CFLAGS "-O")
-            endif()
-        endif()
-    endif()
-
-    set(SWIG_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/physfs-swig-bindings")
-
-    macro(configure_swig_binding _LANG _INSTALLPATH _EXTRAOUTPUTS _EXTRACFLAGS _EXTRALDFLAGS)
-        string(TOUPPER "${_LANG}" _UPPERLANG)
-        string(TOLOWER "${_LANG}" _LOWERLANG)
-        set(_TARGET "physfs-${_LOWERLANG}")
-        set(_TARGETDIR "${SWIG_OUTPUT_DIR}/${_LOWERLANG}")
-
-        if(NOT EXISTS "${_TARGETDIR}")
-            FILE(MAKE_DIRECTORY "${_TARGETDIR}")
-        endif()
-
-        if(PHYSFS_BUILD_${_UPPERLANG})
-            add_custom_command(
-                OUTPUT "${_TARGETDIR}/${_TARGET}.c" ${_EXTRAOUTPUTS}
-                MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/extras/physfs-swig.i"
-                COMMAND "${SWIG}"
-                ARGS ${SWIG_OPT_CFLAGS} -${_LOWERLANG} -outdir "${_TARGETDIR}" -o "${_TARGETDIR}/${_TARGET}.c" "${CMAKE_CURRENT_SOURCE_DIR}/extras/physfs-swig.i"
-                COMMENT "Generating ${_LANG} bindings..."
-            )
-
-            add_library(${_TARGET} SHARED "${_TARGETDIR}/${_TARGET}.c")
-            target_link_libraries(${_TARGET} ${PHYSFS_LIB_TARGET})
-            set_target_properties(${_TARGET} PROPERTIES
-                COMPILE_FLAGS "${_EXTRACFLAGS}"
-                LINK_FLAGS "${_EXTRALDFLAGS}"
-                LIBRARY_OUTPUT_NAME "physfs"
-                LIBRARY_OUTPUT_DIRECTORY "${_TARGETDIR}"
-                CLEAN_DIRECT_OUTPUT 1
-            )
-            install(TARGETS ${_TARGET} LIBRARY DESTINATION "${_INSTALLPATH}")
-            message(STATUS "${_LANG} bindings configured!")
-        else()
-            message(STATUS "Couldn't figure out ${_LANG} configuration. Skipping ${_LANG} bindings.")
-        endif()
-    endmacro()
-
-    macro(add_script_binding_option _VAR _LANG _DEFVAL)
-        set(BUILDSWIGVAL ${_DEFVAL})
-        if(NOT PHYSFS_BUILD_SWIG)
-            set(BUILDSWIGVAL FALSE)
-        endif()
-        option(${_VAR} "Build ${_LANG} bindings." ${BUILDSWIGVAL})
-        mark_as_advanced(${_VAR})
-    endmacro()
-
-    add_script_binding_option(PHYSFS_BUILD_PERL "Perl" TRUE)
-    add_script_binding_option(PHYSFS_BUILD_RUBY "Ruby" TRUE)
-endif()
-
-if(PHYSFS_BUILD_PERL)
-    message(STATUS "Configuring Perl bindings...")
-    find_program(PERL perl DOC "Path to perl command line app: http://perl.org/")
-    if(NOT PERL)
-        message(STATUS "Perl not found. You won't be able to build perl bindings.")
-        set(PHYSFS_BUILD_PERL FALSE)
-    endif()
-    mark_as_advanced(PERL)
-
-    macro(get_perl_config _KEY _VALUE)
-        if(PHYSFS_BUILD_PERL)
-            message(STATUS "Figuring out perl config value '${_KEY}' ...")
-            execute_process(
-                COMMAND ${PERL} -w -e "use Config; print \$Config{${_KEY}};"
-                RESULT_VARIABLE GET_PERL_CONFIG_RC
-                OUTPUT_VARIABLE ${_VALUE}
-            )
-            if(NOT GET_PERL_CONFIG_RC EQUAL 0)
-                message(STATUS "Perl executable ('${PERL}') reported failure: ${GET_PERL_CONFIG_RC}")
-                set(PHYSFS_BUILD_PERL FALSE)
-            endif()
-            if(NOT ${_VALUE})
-                message(STATUS "Perl executable ('${PERL}') didn't have a value for '${_KEY}'")
-                set(PHYSFS_BUILD_PERL FALSE)
-            endif()
-
-            if(PHYSFS_BUILD_PERL)
-                message(STATUS "Perl says: '${${_VALUE}}'.")
-            endif()
-        endif()
-    endmacro()
-
-    # !!! FIXME: installsitearch might be the wrong location.
-    get_perl_config("archlibexp" PERL_INCLUDE_PATH)
-    get_perl_config("ccflags" PERL_CCFLAGS)
-    get_perl_config("ldflags" PERL_LDFLAGS)
-    get_perl_config("installsitearch" PERL_INSTALL_PATH)
-
-    # !!! FIXME: this test for Mac OS X is wrong.
-    if(MACOSX)
-        get_perl_config("libperl" PERL_LIBPERL)
-        set(TMPLIBPERL "${PERL_LIBPERL}")
-        string(REGEX REPLACE "^lib" "" TMPLIBPERL "${TMPLIBPERL}")
-        string(REGEX REPLACE "\\.so$" "" TMPLIBPERL "${TMPLIBPERL}")
-        string(REGEX REPLACE "\\.dylib$" "" TMPLIBPERL "${TMPLIBPERL}")
-        string(REGEX REPLACE "\\.dll$" "" TMPLIBPERL "${TMPLIBPERL}")
-        if(NOT "${TMPLIBPERL}" STREQUAL "${PERL_LIBPERL}")
-            message(STATUS "Stripped '${PERL_LIBPERL}' down to '${TMPLIBPERL}'.")
-            set(PERL_LIBPERL "${TMPLIBPERL}")
-        endif()
-        set(PERL_LIBPERL "-l${PERL_LIBPERL}")
-    endif()
-
-    configure_swig_binding(Perl "${PERL_INSTALL_PATH}" "${SWIG_OUTPUT_DIR}/perl/physfs.pm" "\"-I${PERL_INCLUDE_PATH}/CORE\" ${PERL_CCFLAGS} -w" "\"-L${PERL_INCLUDE_PATH}/CORE\" ${PERL_LIBPERL} ${PERL_LDFLAGS}")
-    install(FILES "${SWIG_OUTPUT_DIR}/perl/physfs.pm" DESTINATION "${PERL_INSTALL_PATH}")
-    install(
-        FILES test/test_physfs.pl
-        DESTINATION bin
-        PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE
-                    GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
-    )
-endif()
-
-# !!! FIXME: lots of cut-and-paste from perl bindings.
-if(PHYSFS_BUILD_RUBY)
-    message(STATUS "Configuring Ruby bindings...")
-    find_program(RUBY ruby DOC "Path to ruby command line app: http://ruby-lang.org/")
-    if(NOT RUBY)
-        message(STATUS "Ruby not found. You won't be able to build ruby bindings.")
-        set(PHYSFS_BUILD_RUBY FALSE)
-    endif()
-    mark_as_advanced(RUBY)
-
-    macro(get_ruby_config _KEY _VALUE)
-        if(PHYSFS_BUILD_RUBY)
-            message(STATUS "Figuring out ruby config value '${_KEY}' ...")
-            execute_process(
-                COMMAND ${RUBY} -e "require 'rbconfig'; puts RbConfig::CONFIG['${_KEY}'];"
-                RESULT_VARIABLE GET_RUBY_CONFIG_RC
-                OUTPUT_VARIABLE ${_VALUE}
-                OUTPUT_STRIP_TRAILING_WHITESPACE
-            )
-            if(NOT GET_RUBY_CONFIG_RC EQUAL 0)
-                message(STATUS "Ruby executable ('${RUBY}') reported failure: ${GET_RUBY_CONFIG_RC}")
-                set(PHYSFS_BUILD_RUBY FALSE)
-            endif()
-            if(NOT ${_VALUE})
-                message(STATUS "Ruby executable ('${RUBY}') didn't have a value for '${_KEY}'")
-                set(PHYSFS_BUILD_RUBY FALSE)
-            endif()
-
-            if(PHYSFS_BUILD_RUBY)
-                message(STATUS "Ruby says: '${${_VALUE}}'.")
-            endif()
-        endif()
-    endmacro()
-
-    get_ruby_config("archdir" RUBY_INCLUDE_PATH)
-    get_ruby_config("CFLAGS" RUBY_CCFLAGS)
-    get_ruby_config("LDFLAGS" RUBY_LDFLAGS)
-    get_ruby_config("sitearchdir" RUBY_INSTALL_PATH)
-    get_ruby_config("LIBRUBYARG_SHARED" RUBY_LIBRUBY)
-    get_ruby_config("libdir" RUBY_LIBDIR)
-
-    configure_swig_binding(Ruby "${RUBY_INSTALL_PATH}" "" "\"-I${RUBY_INCLUDE_PATH}\" ${RUBY_CCFLAGS} -w" "\"-L${RUBY_LIBDIR}\" ${RUBY_LIBRUBY} ${RUBY_LDFLAGS}")
-    set_target_properties(physfs-ruby PROPERTIES PREFIX "")
-    install(
-        FILES test/test_physfs.rb
-        DESTINATION bin
-        PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE
-                    GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
-    )
-endif()
-
-
 install(TARGETS ${PHYSFS_INSTALL_TARGETS}
         RUNTIME DESTINATION bin
         LIBRARY DESTINATION lib${LIB_SUFFIX}
@@ -557,8 +368,6 @@ message_bool_option("CD-ROM drive support" PHYSFS_HAVE_CDROM_SUPPORT)
 message_bool_option("Thread safety" PHYSFS_HAVE_THREAD_SUPPORT)
 message_bool_option("Build static library" PHYSFS_BUILD_STATIC)
 message_bool_option("Build shared library" PHYSFS_BUILD_SHARED)
-message_bool_option("Build Perl bindings" PHYSFS_BUILD_PERL)
-message_bool_option("Build Ruby bindings" PHYSFS_BUILD_RUBY)
 message_bool_option("Build stdio test program" PHYSFS_BUILD_TEST)
 if(PHYSFS_BUILD_TEST)
     message_bool_option("  Use readline in test program" HAVE_SYSTEM_READLINE)