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Aegisub/configure.in
Amar Takhar ed4e70fae8 Add preliminary support for the swscale library if swscale is not included 
in ffmpeg, there are some linux distro's running ancient versions still.

Originally committed to SVN as r1872.
2008-03-03 08:57:08 +00:00

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AC_PREREQ(2.57)
######################
# aegisub version info
######################
m4_define([aegisub_major_version], [2])
m4_define([aegisub_minor_version], [1])
m4_define([aegisub_version], [aegisub_major_version.aegisub_minor_version-dev])
###################
# Required packages
###################
m4_define([ffmpeg_required_version], [1])
m4_define([portaudio_required_version], [1])
m4_define([pulseaudio_required_version], [1])
m4_define([pkgconfig_required_version], [0.20])
m4_define([libass_required_version], [0.9.1])
m4_define([freetype_required_version], [9.7.0])
m4_define([fontconfig_required_version], [2.4])
m4_define([perl_required_version], [5.004])
m4_define([ruby_required_version], [1.8])
m4_define([lua_auto4_required_version], [5.1])
m4_define([lua_auto3_required_version], [5.0])
#######
# Setup
#######
AC_INIT([Aegisub], [aegisub_version],, [aegisub])
AC_CONFIG_SRCDIR([aegisub/main.cpp])
AM_INIT_AUTOMAKE
AC_CONFIG_HEADER([aegisub/posix/acconf.h])
AC_GNU_SOURCE
AC_CANONICAL_HOST
AM_MAINTAINER_MODE
########################
# Configurable variables
########################
aegisubdatadir="$datadir/aegisub/2.1"
AC_SUBST(aegisubdatadir)
####################
# Check for programs
####################
CHECK_GNU_MAKE
AC_PROG_CC
AC_PROG_CXX
AC_LANG(C++)
AC_PROG_LIBTOOL
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG([0.20])
###################################################
# Check for pthreads and setup variables / compiler
###################################################
ACX_PTHREAD([], [AC_MSG_FAILURE([aegisub requires pthreads])])
#LIBS="$PTHREAD_LIBS $LIBS";
#CFLAGS="$CFLAGS $PTHREAD_CFLAGS";
CC="$PTHREAD_CC";
######################
# Check compiler flags
######################
AC_C_FLAG([-Wall])
AC_C_FLAG([-O2])
AC_C_FLAG([-Wextra],[AC_C_FLAG([-W])])
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-std=gnu99])
AC_CXX_FLAG([-Wall])
AC_CXX_FLAG([-Wextra],[AC_CXX_FLAG([-W])])
AC_CXX_FLAG([-Wno-unused-parameter])
AC_CXX_FLAG([-Wno-long-long])
AC_CXX_FLAG([-O2])
AC_CXX_FLAG([-fpermissive])
AC_CXX_FLAG([-fno-strict-aliasing])
AC_CXX_FLAG([-std=c++98])
######################################
# Check Headers / Features / Libraries
######################################
AC_PATH_XTRA
AC_HEADER_STDC
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_CHECK_LIB([m], [main])
AC_LIBTOOL_DLOPEN_SELF
AC_MSG_CHECKING([[whether preprocessor supports #pragma once]])
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[#pragma once]])],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_PRAGMA_ONCE], [1], [Preprocessor support for #pragma once])
],
[AC_MSG_RESULT([no])])
#################
# Audio Providers
#################
AC_ARG_WITH(alsa, [ --without-alsa build without ALSA audio provider. (default: auto)], alsa_disabled="(disabled)")
if test "x$with_alsa" != xno; then
AC_CHECK_LIB([asound], [snd_pcm_open], [ALSA_LDFLAGS="-lasound"; found_audio=yes; with_alsa=yes], [with_alsa=no])
fi
if test "$with_alsa" = yes; then
AC_DEFINE(WITH_ALSA, 1, [Enable ALSA Support])
fi
AC_SUBST(ALSA_LDFLAGS)
AM_CONDITIONAL([HAVE_ALSA], [test "$with_alsa" != "no"])
AC_ARG_WITH(portaudio,[ --without-portaudio build without PortAudio audio provider.
(default: auto)], portaudio_disabled="(disabled)")
if test "x$with_portaudio" != xno; then
aegisub_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS $PTHREAD_LIBS"
AC_CHECK_LIB([portaudio], [Pa_Initialize], [PORTAUDIO_LDFLAGS="-lportaudio"; found_audio=yes; with_portaudio=yes], [with_portaudio=no])
fi
if test "x$with_portaudio" != xno; then
AC_CHECK_LIB([portaudio], [Pa_GetStreamTime], [LIBS="-lportaudio"], [with_portaudio_getstreamtime=no])
if test "x$with_portaudio_getstreamtime" != xno; then
AC_DEFINE(HAVE_PA_GETSTREAMTIME, 1, [Define to 1 if Pa_GetStreamTime is available in PortAudio])
fi
CPPFLAGS="$aegisub_save_CPPFLAGS"
fi
if test "$with_portaudio" = yes; then
AC_DEFINE(WITH_PORTAUDIO, 1, [Enable PortAudio Audio Provider])
fi
AC_SUBST(PORTAUDIO_LDFLAGS)
AM_CONDITIONAL([HAVE_PORTAUDIO], [test "$with_portaudio" != "no"])
AC_ARG_WITH(pulseaudio,[ --without-pulseaudio build without PulseAudio audio provider.
(default: auto)], pulseaudio_disabled="(disabled)")
if test "x$with_pulseaudio" != xno; then
PKG_CHECK_MODULES(LIBPULSE, libpulse >= 0.5, [found_audio=yes; with_pulseaudio=yes], [with_pulseaudio=no])
fi
AM_CONDITIONAL([HAVE_PULSEAUDIO], [test "$with_pulseaudio" != "no"])
if test "$with_pulseaudio" == no; then
AC_DEFINE(WITH_PULSEAUDIO, 1, [Enable PulseAudio support])
fi
#################
# Video Providers
#################
AC_ARG_WITH(ffmpeg, [ --without-ffmpeg build without FFMPEG video provider.. (default: auto)], ffmpeg_disabled="(disabled)")
if test "$without_ffmpeg" != xno; then
AC_CHECK_LIB([avcodec], [avcodec_init],AVCODEC_LDFLAGS="-lavcodec", [with_ffmpeg=no])
AC_CHECK_LIB([avformat], [av_read_frame],AVFORMAT_LDFLAGS="-lavcodec", [with_ffmpeg=no])
AC_CHECK_LIB([avformat], [sws_scale],[with_swscale="yes"], [with_swscale="no"])
if test "$with_swscale" = "no"; then
AC_CHECK_LIB([swscale], [sws_scale],[SWSCALE_LDFLAGS="-lswscale"; with_swscale_lib="yes"], [with_swscale_lib="no"])
fi
if test "$with_swscale" = "yes" || test "$with_swscale_lib" = "yes"; then
with_ffmpeg="yes";
else
with_ffmpeg="no";
fi
if test "$with_ffmpeg" = "yes"; then
found_video_provider=yes
with_ffmpeg="yes"
AC_DEFINE(WITH_FFMPEG, 1, [Enable FFMPEG Video Provider])
fi
fi
AC_SUBST(SWSCALE_LDFLAGS)
AC_SUBST(AVCODEC_LDFLAGS)
AC_SUBST(AVFORMAT_LDFLAGS)
AM_CONDITIONAL([HAVE_FFMPEG], [test "$with_ffmpeg" != "no"])
###################
# Subtitle Provider
###################
AC_ARG_WITH(libass, [ --without-libass disable libass (default=autodetect)],libass_disabled="(disabled)")
if test "x$with_libass" != xno; then
PKG_CHECK_MODULES(LIBASS, libass >= 0.9.1)
aegisub_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LIBASS_LIBS"
AC_CHECK_LIB([ass], [ass_read_styles],[LIBASS_LIBS="$LIBASS_LIBS]", with_libass=no)
LDFLAGS="$aegisub_save_LDFLAGS"
aegisub_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$LIBASS_CFLAGS"
AC_CHECK_HEADER([ass/ass.h],[LIBASS_CFLAGS="$LIBASS_CFLAGS"],with_libass="no")
CPPFLAGS="$aegisub_save_CPPFLAGS"
fi
if test "$with_libass" != "no"; then
AC_DEFINE(WITH_LIBASS, 1, [Enable libass Subtitle Provider])
with_libass="yes"
fi
AC_SUBST(LIBASS_LIBS)
AC_SUBST(LIBASS_CFLAGS)
AM_CONDITIONAL([HAVE_LIBASS], [test "$with_libass" != "no" ])
##############################
# Program Support and Features
##############################
AC_CHECK_HEADER([wchar.h],,[AC_MSG_FAILURE([aegisub requires wide character support])])
AX_CHECK_GL
if test ! "$GL_LIBS"; then
AC_MSG_FAILURE([aegisub requires GL support.])
fi
AC_SUBST(GL_CFLAGS)
AC_SUBST(GL_LIBS)
PKG_CHECK_MODULES(FREETYPE, freetype2 >= 9.7.0,
AC_DEFINE(WITH_FREETYPE2, 1, [Enable FreeType 2 support.]),
[AC_MSG_FAILURE([aegisub requires >= FreeType2 2.1.9])])
PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.4,
AC_DEFINE(WITH_FONTCONFIG, 1, [Enable FontConfig support.]),
[AC_MSG_FAILURE([aegisub requires >= fontconfig >= 2.4])])
AC_CHECK_LIB([hunspell], [main],[HUNSPELL_LDFLAGS="-lhunspell"; with_hunspell="yes"], [with_hunspell=no])
if test "$with_libass" = "yes"; then
AC_DEFINE(WITH_HUNSPELL, 1, [Enable hunspell support])
fi
AM_CONDITIONAL([HAVE_HUNSPELL], [test "$with_hunspell" != "no"])
AC_SUBST(HUNSPELL_LDFLAGS)
############
# Automation
############
AC_ARG_WITH(lua,
[ --without-lua build without lua 5.1 (auto3)], [lua_disabled="(disabled)"])
AC_ARG_WITH(lua-lib,
[ --with-lua-lib=PREFIX PATH location of lua 5.1 library], [lua_lib_dir="$withval"])
AC_ARG_WITH(lua-include,
[ --with-lua-include=PREFIX
PATH location of lua 5.1 includes], [lua_include_dir="$withval"])
if test "$without_lua" != no; then
aegisub_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -L$lua_lib_dir"
AC_CHECK_LIB([lua], [lua_call], LUA_LDFLAGS="-L$lua_lib_dir -llua", with_lua_lib=no)
LDFLAGS="$aegisub_save_LDFLAGS"
aegisub_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$lua_include_dir"
AC_CHECK_HEADER([lua.h],[LUA_CPPFLAGS="-I$lua_include_dir"],with_lua_include="no")
CPPFLAGS="$aegisub_save_CPPFLAGS"
fi
if test "$with_lua_lib" != "no" && test "$with_lua_include" != "no"; then
with_auto4="yes"
AC_DEFINE(WITH_AUTOMATION, 1, [Enable Automation (auto4), requires lua])
else
with_auto4="no"
fi
AC_SUBST(LUA_CPPFLAGS)
AC_SUBST(LUA_LDFLAGS)
AM_CONDITIONAL([HAVE_AUTO4_LUA], [test "$with_auto4" != "no"])
AC_ARG_WITH(perl, [ --without-perl build without PERL Automation. (default: auto)], perl_disabled="(disabled)")
AC_ARG_WITH(perl-bin, [ --with-perl-bin=PATH location of PERL binary.. (default: $PATH)], [WITH_PERL_BIN="$withval"])
if test -z "$perl_disabled"; then
if test -z "$WITH_PERL_BIN"; then
AC_PATH_PROG([PERL_BIN],perl,no)
else
PERL_BIN="$WITH_PERL_BIN"
fi
# XXX: add a --with-perlconsole flag.
# AC_DEFINE(WITH_PERLCONSOLE, 1, [Enable PERL Console support (for debugging purposes)])
if test "$PERL_BIN" != "no"; then
AC_MSG_CHECKING([checking for perl version >= 5.004])
if $PERL_BIN -e 'require 5.004'; then
AC_MSG_RESULT([yes])
with_perl=yes
AC_DEFINE(WITH_PERL, 1, [Enable PERL support.])
AC_MSG_CHECKING([checking $PERL_BIN clfags])
PERL_CFLAGS=`$PERL_BIN -MExtUtils::Embed -eccflags -eperl_inc`
AC_MSG_RESULT([$PERL_CFLAGS])
AC_MSG_CHECKING([checking $PERL_BIN libs])
PERL_LDFLAGS=`$PERL_BIN -MExtUtils::Embed -eldopts`
AC_MSG_RESULT([$PERL_LDFLAGS])
else
AC_MSG_RESULT([yes])
with_perl=no
fi
fi
fi
AC_SUBST(PERL_CFLAGS)
AC_SUBST(PERL_LDFLAGS)
AM_CONDITIONAL([HAVE_AUTO4_PERL], [test "$with_perl" != "no"])
AC_ARG_WITH(ruby, [ --without-ruby build without Ruby Automation. (default: auto)], ruby_disabled="(disabled)")
AC_ARG_WITH(ruby-bin, [ --with-ruby-bin=PATH location of RUBY binary.. (default: $PATH)], [WITH_RUBY_BIN="$withval"])
if test -z "$ruby_disabled"; then
if test -z "$WITH_RUBY_BIN"; then
AC_PATH_PROG([RUBY_BIN],ruby,no)
else
RUBY_BIN="$WITH_RUBY_BIN"
fi
if test "$RUBY_BIN" != "no"; then
AC_MSG_CHECKING([checking for ruby version >= 1.8])
if $RUBY_BIN -r rbconfig -e 'if Config::CONFIG@<:@"ruby_version"@:>@.to_f >= 1.8 then exit(0) else exit(1) end' ; then
AC_MSG_RESULT([yes])
with_ruby=yes
AC_DEFINE(WITH_RUBY, 1, [Enable RUBY Automation.])
AC_MSG_CHECKING([checking $RUBY_BIN -r rbconfig archdir, cflags])
RUBY_CFLAGS=`$RUBY_BIN -r rbconfig -e "printf(\"-I%s %s\", Config::CONFIG@<:@'archdir'@:>@, Config::CONFIG@<:@'CFLAGS'@:>@)"`
AC_MSG_RESULT([$RUBY_CFLAGS])
AC_MSG_CHECKING([checking $RUBY_BIN rbconfig libs])
RUBY_LDFLAGS=`$RUBY_BIN -r rbconfig -e "print Config::CONFIG@<:@'LIBS'@:>@"`
AC_MSG_RESULT([$RUBY_LDFLAGS])
else
AC_MSG_RESULT([yes])
with_ruby=no
fi
fi
fi
AC_SUBST(RUBY_CFLAGS)
AC_SUBST(RUBY_LDFLAGS)
AM_CONDITIONAL([HAVE_AUTO4_RUBY], [test "$with_ruby" != "no"])
AC_ARG_WITH(lua50-lib,
[ --with-lua50-lib=PREFIX PATH location of lua 5.0 library
(required for auto3 support)], [lua50_lib_dir="$withval"])
AC_ARG_WITH(lua50-include,
[ --with-lua50-include=PREFIX
PATH location of lua 5.0 includes
(required for auto3 support)], [lua50_include_dir="$withval"])
#if test -z "$lua50-lib-dir"; then
# AC_MSG_WARN([You must supply both --with-lua50-lib AND --with-lua50-include.])
#fi
if ! test -z "$lua50_lib_dir" && ! test -z "$lua50_include_dir"; then
aegisub_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-L$lua50_lib_dir"
AC_CHECK_LIB([lua], [lua_call],[LUA50_LDFLAGS="-L$lua50_lib_dir -llua"; lua50_lib="yes"], [lua50_lib="no"])
LDFLAGS="$aegisub_save_LDFLAGS"
aegisub_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I$lua50_include_dir"
AC_CHECK_HEADER([lua.h],[LUA50_CPPFLAGS="-I$lua50_include_dir"; lua50_include="yes"],[lua50_include="no"])
CPPFLAGS="$aegisub_save_CPPFLAGS"
fi
if test "$lua50_lib" = "yes" && test "$lua50_include" = "yes"; then
with_auto3="yes"
AC_DEFINE(WITH_AUTO3, 1, [Enable Automation (auto3, DEPRECIATED!), requires lua 5.0])
else
with_auto3="no"
fi
AM_CONDITIONAL([HAVE_AUTO3_LUA], [test "$with_auto3" != "no"])
AC_SUBST(LUA50_CPPFLAGS)
AC_SUBST(LUA50_LDFLAGS)
################
# Widget support
################
AM_OPTIONS_WXCONFIG
AM_PATH_WXCONFIG(2.8.1, [have_wxconfig=1], [have_wxconfig=0], [std,gl,stc])
if test "$have_wxconfig" != 1; then
AC_MSG_FAILURE([
wxWidgets detection failed, please set --with-wx* or add
the libraries to your LDFLAGS, CXX/CFLAGS.
])
fi
#CPPFLAGS="$CPPFLAGS $WX_CPPFLAGS"
#CXXFLAGS="$CXXFLAGS $WX_CXXFLAGS_ONLY"
#CFLAGS="$CFLAGS $WX_CFLAGS_ONLY"
aegisub_save_CPPLAGS="$CPPLAGS"
CPPFLAGS="$WX_CFLAGS"
AC_MSG_CHECKING([wxWidgets OpenGL support])
AC_TRY_COMPILE([#include <wx/glcanvas.h>],
[wxGLCanvas *canvas;],
with_wxgl=yes, with_wxgl=no)
AC_MSG_RESULT($with_wxgl)
if test "$with_wxgl" = "no"; then
AC_MSG_FAILURE([wxWidgets OpenGL support missing])
fi
AC_MSG_CHECKING([wxWidgets StyledTextCtrl support])
AC_TRY_COMPILE([#include <wx/stc/stc.h>],
[wxStyledTextCtrl *canvas;],
with_wxstc=yes, with_wxstc=no)
AC_MSG_RESULT($with_wxstc)
if test "$with_wxstc" = "no"; then
AC_MSG_FAILURE([wxWidgets missing StyledTextCtrl])
fi
CPPFLAGS="$aegisub_save_CPPFLAGS"
################################################
# Internationalisation support (keep this last!)
################################################
AC_PROG_INTLTOOL
AM_GLIB_GNU_GETTEXT
GETTEXT_PACKAGE=aegisub21
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
[The prefix for our gettext translation domains.])
AC_OUTPUT([
Makefile
auto3/Makefile
automation/Makefile
po/Makefile.in
aegisub/Makefile
aegisub/bitmaps/Makefile
aegisub/posix/Makefile
])
if test -z "$found_audio"; then
AC_MSG_NOTICE([
***********************************************************************
* No supported audio player interface was found on your system.
* If you want audio support in Aegisub you need to install one of
* these libraries:
* - PulseAudio
* * http://pulseaudio.org/
* - ALSA (Linux only) (Currently broken)
* * http://www.alsa-project.org/
* - PortAudio (version 18 only, version 19 is not compatible)
* * http://www.portaudio.com/
***********************************************************************
])
fi
if test -z "$found_video_provider"; then
AC_MSG_NOTICE([
***********************************************************************
* No supported video/audio reader interface was found on your system.
* You will not be able to open any video or audio files in Aegisub
* unless you install a supported video/audio provider.
* You will however still be able to open "dummy" video, ie. a blank,
* virtual video clip with subtitles overlaid.
* Currently we only support one video/audio provider on non-Windows
* systems:
* - FFmpeg (libavcodec + libavformat)
* * http://ffmpeg.mplayerhq.hu/
***********************************************************************
])
fi
AC_MSG_RESULT([
Scripting Engines:
auto4 Perl: $with_perl $perl_disabled
auto3: $with_auto3
auto4: $with_auto4 $lua_disabled
auto4 Ruby: $with_ruby $ruby_disabled
Audio Providers:
ALSA: $with_alsa $alsa_disabled
PortAudio: $with_portaudio $portaudio_disabled
PulseAudio: $with_pulseaudio $pulseaudio_disabled
Video Providers
ffmpeg: $with_ffmpeg $ffmpeg_disabled
Subtitle Providers:
asa: $with_asa
libass: $with_libass
]);
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