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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#
# 具体用法，可参考Automake的中文文档：
# http://www.linuxforum.net/books/autoconf.html
# 也可以到这看英文版的：
# http://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/index.html
AC_PREREQ([2.68])
AC_INIT(LCUI, 1.0.0, [email protected])
# Check system type
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([include/LCUI_Build.h])
AC_CONFIG_HEADERS([include/LCUI/config.h])
AC_CONFIG_MACRO_DIR([m4])
# Make --enable-silent-rules the default.
# To get verbose build output you may configure
# with --disable-silent-rules or use "make V=1".
# 默认情况下，是 Make --enable-silent-rules， 也就是启用无声规则，make时输出的是精简的信息。
# 要获得详细的编译输出，你可以在运行configurue时加上--disable-silent-rules参数或使用"make V=1".
AM_SILENT_RULES([yes])
# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LN_S
AC_PROG_MAKE_SET
# Checks for header files.
AC_CHECK_HEADERS([fcntl.h limits.h malloc.h memory.h stddef.h stdlib.h string.h strings.h sys/ioctl.h termio.h unistd.h wchar.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
AC_HEADER_STDBOOL
AC_C_RESTRICT
AC_TYPE_UINT32_T
# Checks for library functions.
AC_CHECK_FUNCS([memset munmap select strcasecmp sysinfo])
# Checks for libraries.
# 检测LCUI所依赖的库是否存在并且能正常使用
want_iconv=no
AC_ARG_WITH(iconv, [ --with-iconv use libiconv (default)])
if test "x$with_iconv" != "xno"; then
AC_CHECK_LIB([iconv], [iconv_open], want_iconv=yes, want_iconv=no)
if test "x$want_iconv" != "xno"; then
ICONV_LIBS=-liconv
AC_SUBST(ICONV_LIBS)
fi
fi
##检测是否启用线程支持
want_thread=no
thread_name=pthread
AC_ARG_WITH(pthread, [ --with-pthread use pthread (default)])
if test "x$with_pthread" != "xno"; then
##检测是否有pthread函数库，测试调用pthread_create函数，若成功则want_thread=yes，否则want_thread=no
AC_CHECK_LIB([pthread], [pthread_create], want_thread=yes, want_thread=no)
if test "x$want_thread" != "xno"; then
THREAD_LIBS=-lpthread
##检测pthread.h头文件
AC_CHECK_HEADERS([pthread.h],want_thread=yes,want_thread=no)
##让THREAD_LIBS变量能够在每个Makefile中能用到
AC_SUBST(THREAD_LIBS)
fi
fi
enable_builder="yes"
AC_ARG_ENABLE(lcui-builder, AC_HELP_STRING([--enable-lcui-builder],
[enable lcui-builder function module [[default=yes]]]), enable_builder=$enableval)
if test "$enable_builder" = "yes"; then
AC_DEFINE_UNQUOTED(USE_LCUI_BUILDER, 1, Define to 1 if you enabled LCUIBuilder function module)
fi
##检测是否有freetype库
want_font_engine="yes"
font_engine_name="freetype"
AC_ARG_ENABLE(font-engine, AC_HELP_STRING([--enable-font-engine],
[turn on font-engine [[default=yes]]]), want_font_engine=$enableval)
if test "$want_font_engine" = "yes"; then
AC_CHECK_LIB([freetype], [FT_Init_FreeType], want_font_engine="yes", want_font_engine="no")
if test "$want_font_engine" = "yes"; then
AC_CHECK_HEADERS([ft2build.h],
[want_font_engine="yes"], [want_font_engine="no"])
fi
if test "$want_font_engine" = "yes"; then
FONT_LIBS=-lfreetype
AC_SUBST(FONT_LIBS)
else
want_font_engine="no"
font_engine_name="none"
fi
else
want_font_engine="no"
font_engine_name="none"
fi
## 检测图形输出设备
want_video_output=yes
video_driver_name="framebuffer"
AC_ARG_ENABLE(video-output, AC_HELP_STRING([--enable-video-output],
[turn on video-output [[default=yes]]]), want_video_output=$enableval)
if test "$want_video_output" = "yes"; then
AC_CHECK_HEADERS([linux/fb.h],
[video_driver_name="framebuffer"], [video_driver_name="none"])
else
want_video_output=no
video_driver_name=none
fi
want_ts=no
AC_ARG_WITH(ts, [ --with-ts use tslib (default)])
if test "x$with_ts" != "xno"; then
AC_CHECK_LIB([ts], [ts_open], want_ts=yes, want_ts=no)
if test "x$want_ts" != "xno"; then
TS_LIBS=-lts
AC_SUBST(TS_LIBS)
fi
fi
want_png=no
AC_ARG_WITH(png, [ --with-png use libpng (default)])
if test "x$with_png" != "xno"; then
AC_CHECK_LIB([png], [png_sig_cmp],want_png=yes,want_png=no)
if test "x$want_png" != "xno"; then
PNG_LIBS=-lpng
AC_CHECK_HEADERS([png.h],want_png=yes,want_png=no)
AC_SUBST(PNG_LIBS)
fi
fi
want_jpeg=no
AC_ARG_WITH(jpeg, [ --with-jpeg use libjpeg (default)])
if test "x$with_jpeg" != "xno"; then
AC_CHECK_LIB([jpeg], [jpeg_start_decompress],want_jpeg=yes,want_jpeg=no)
if test "x$want_jpeg" != "xno"; then
JPEG_LIBS=-ljpeg
AC_CHECK_HEADERS([jpeglib.h setjmp.h],want_jpeg=yes,want_jpeg=no)
AC_SUBST(JPEG_LIBS)
fi
fi
# DEBUG option
# 调试选项，如果需要对项目进行调试，可启用调试选项
want_debug=no
AC_MSG_CHECKING(whether to enable debugging)
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],
[turn on debugging [[default=no]]]), want_debug=$enableval)
CFLAGS="-Wall -D _GNU_SOURCE"
CXXFLAG="-Wall -D _GNU_SOURCE"
if test "$want_debug" = "yes"; then
CFLAGS="$CXXFLAG -g"
CXXFLAG="$CXXFLAG -g"
AC_MSG_RESULT(yes)
else
CFLAGS="$CXXFLAG -O2"
CXXFLAG="$CXXFLAG -O2"
AC_MSG_RESULT(no)
fi
#根据之前的检测结果，定义相应宏
if test "$want_png" = "yes"; then
AC_DEFINE_UNQUOTED(USE_LIBPNG, 1, Define to 1 if you have the libpng)
fi
if test "$want_jpeg" = "yes"; then
AC_DEFINE_UNQUOTED(USE_LIBJPEG, 1, Define to 1 if you have the libjpeg)
fi
if test "$want_ts" = "yes"; then
AC_DEFINE_UNQUOTED(USE_TSLIB, 1, Define to 1 if you have the tslib)
fi
font_engine_name="none"
if test "$want_font_engine" = "yes"; then
font_engine_name="freetype"
AC_DEFINE_UNQUOTED(LCUI_FONT_ENGINE_FREETYPE, 1, Define to 1 if you have the FreeType font engine)
fi
if test "$want_iconv" = "yes"; then
AC_DEFINE_UNQUOTED(USE_LIBICONV, 1, Define to 1 if you have the libiconv)
fi
if test "$want_thread" = "yes"; then
if test "$thread_name" = "pthread"; then
AC_DEFINE_UNQUOTED(LCUI_THREAD_PTHREAD, 1, Define to 1 if you using pthread support)
else
AC_DEFINE_UNQUOTED(LCUI_THREAD_NONE, 1, Define to 1 if not have thread support)
fi
else
AC_DEFINE_UNQUOTED(LCUI_THREAD_NONE, 1, Define to 1 if not have thread support)
fi
if test "$want_video_output" = "yes"; then
if test "$video_driver_name" = "framebuffer"; then
AC_DEFINE_UNQUOTED(LCUI_VIDEO_DRIVER_FRAMEBUFFER, 1, Define to 1 if you select FrameBuffer for video support)
else
AC_DEFINE_UNQUOTED(LCUI_VIDEO_DRIVER_NONE, 1, Define to 1 if not have video output support)
fi
else
AC_DEFINE_UNQUOTED(LCUI_VIDEO_DRIVER_NONE, 1, Define to 1 if not have video output support)
fi
##输出文件
AC_OUTPUT([Makefile
lcui.pc
build/Makefile
include/Makefile
include/LCUI/Makefile
include/LCUI/font/Makefile
include/LCUI/draw/Makefile
include/LCUI/gui/widget/Makefile
include/LCUI/kernel/Makefile
include/LCUI/gui/Makefile
include/LCUI/misc/Makefile
src/Makefile
src/font/Makefile
src/font/in-core/Makefile
src/draw/Makefile
src/thread/Makefile
src/bmp/Makefile
src/misc/Makefile
src/kernel/Makefile
src/input/Makefile
src/output/Makefile
src/gui/Makefile
test/Makefile])
echo
echo
echo -e "Build with tslib support ........... : $want_ts"
echo -e "Build with libpng support .......... : $want_png"
echo -e "Build with libjpeg support ......... : $want_jpeg"
echo -e "Build with libiconv support ........ : $want_iconv"
echo -e "Build with font-engine support ..... : $font_engine_name"
echo -e "Build with thread support .......... : $thread_name"
echo -e "Build with video support ........... : $video_driver_name"
echo