diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_append_link_flags.m4 | 61 | ||||
| -rw-r--r-- | m4/ax_check_link_flag.m4 | 71 | ||||
| -rw-r--r-- | m4/ax_cxx_compile_stdcxx_0x.m4 | 107 | ||||
| -rw-r--r-- | m4/faad.m4 | 128 |
4 files changed, 255 insertions, 112 deletions
diff --git a/m4/ax_append_link_flags.m4 b/m4/ax_append_link_flags.m4 new file mode 100644 index 00000000..4fc43370 --- /dev/null +++ b/m4/ax_append_link_flags.m4 @@ -0,0 +1,61 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_append_link_flags.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_APPEND_LINK_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS]) +# +# DESCRIPTION +# +# For every FLAG1, FLAG2 it is checked whether the linker works with the +# flag. If it does, the flag is added FLAGS-VARIABLE +# +# If FLAGS-VARIABLE is not specified, the linker's flags (LDFLAGS) is +# used. During the check the flag is always added to the linker's flags. +# +# If EXTRA-FLAGS is defined, it is added to the linker's default flags +# when the check is done. The check is thus made with the flags: "LDFLAGS +# EXTRA-FLAGS FLAG". This can for example be used to force the linker to +# issue an error when a bad flag is given. +# +# NOTE: This macro depends on the AX_APPEND_FLAG and AX_CHECK_LINK_FLAG. +# Please keep this macro in sync with AX_APPEND_COMPILE_FLAGS. +# +# LICENSE +# +# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 2 + +AC_DEFUN([AX_APPEND_LINK_FLAGS], +[for flag in $1; do + AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], [LDFLAGS])])], [], [$3]) +done +])dnl AX_APPEND_LINK_FLAGS diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 new file mode 100644 index 00000000..e2d0d363 --- /dev/null +++ b/m4/ax_check_link_flag.m4 @@ -0,0 +1,71 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) +# +# DESCRIPTION +# +# Check whether the given FLAG works with the linker or gives an error. +# (Warnings, however, are ignored) +# +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on +# success/failure. +# +# If EXTRA-FLAGS is defined, it is added to the linker's default flags +# when the check is done. The check is thus made with the flags: "LDFLAGS +# EXTRA-FLAGS FLAG". This can for example be used to force the linker to +# issue an error when a bad flag is given. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this +# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> +# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 2 + +AC_DEFUN([AX_CHECK_LINK_FLAG], +[AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl +AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ + ax_check_save_flags=$LDFLAGS + LDFLAGS="$LDFLAGS $4 $1" + AC_LINK_IFELSE([AC_LANG_PROGRAM()], + [AS_VAR_SET(CACHEVAR,[yes])], + [AS_VAR_SET(CACHEVAR,[no])]) + LDFLAGS=$ax_check_save_flags]) +AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], + [m4_default([$2], :)], + [m4_default([$3], :)]) +AS_VAR_POPDEF([CACHEVAR])dnl +])dnl AX_CHECK_LINK_FLAGS diff --git a/m4/ax_cxx_compile_stdcxx_0x.m4 b/m4/ax_cxx_compile_stdcxx_0x.m4 new file mode 100644 index 00000000..a4e556ff --- /dev/null +++ b/m4/ax_cxx_compile_stdcxx_0x.m4 @@ -0,0 +1,107 @@ +# ============================================================================ +# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_0x.html +# ============================================================================ +# +# SYNOPSIS +# +# AX_CXX_COMPILE_STDCXX_0X +# +# DESCRIPTION +# +# Check for baseline language coverage in the compiler for the C++0x +# standard. +# +# LICENSE +# +# Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 7 + +AU_ALIAS([AC_CXX_COMPILE_STDCXX_0X], [AX_CXX_COMPILE_STDCXX_0X]) +AC_DEFUN([AX_CXX_COMPILE_STDCXX_0X], [ + AC_CACHE_CHECK(if g++ supports C++0x features without additional flags, + ax_cv_cxx_compile_cxx0x_native, + [AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([ + template <typename T> + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; + + typedef check<check<bool>> right_angle_brackets; + + int a; + decltype(a) b; + + typedef check<int> check_type; + check_type c; + check_type&& cr = static_cast<check_type&&>(c);],, + ax_cv_cxx_compile_cxx0x_native=yes, ax_cv_cxx_compile_cxx0x_native=no) + AC_LANG_RESTORE + ]) + + AC_CACHE_CHECK(if g++ supports C++0x features with -std=c++0x, + ax_cv_cxx_compile_cxx0x_cxx, + [AC_LANG_SAVE + AC_LANG_CPLUSPLUS + ac_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -std=c++0x" + AC_TRY_COMPILE([ + template <typename T> + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; + + typedef check<check<bool>> right_angle_brackets; + + int a; + decltype(a) b; + + typedef check<int> check_type; + check_type c; + check_type&& cr = static_cast<check_type&&>(c);],, + ax_cv_cxx_compile_cxx0x_cxx=yes, ax_cv_cxx_compile_cxx0x_cxx=no) + CXXFLAGS="$ac_save_CXXFLAGS" + AC_LANG_RESTORE + ]) + + AC_CACHE_CHECK(if g++ supports C++0x features with -std=gnu++0x, + ax_cv_cxx_compile_cxx0x_gxx, + [AC_LANG_SAVE + AC_LANG_CPLUSPLUS + ac_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -std=gnu++0x" + AC_TRY_COMPILE([ + template <typename T> + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; + + typedef check<check<bool>> right_angle_brackets; + + int a; + decltype(a) b; + + typedef check<int> check_type; + check_type c; + check_type&& cr = static_cast<check_type&&>(c);],, + ax_cv_cxx_compile_cxx0x_gxx=yes, ax_cv_cxx_compile_cxx0x_gxx=no) + CXXFLAGS="$ac_save_CXXFLAGS" + AC_LANG_RESTORE + ]) + + if test "$ax_cv_cxx_compile_cxx0x_native" = yes || + test "$ax_cv_cxx_compile_cxx0x_cxx" = yes || + test "$ax_cv_cxx_compile_cxx0x_gxx" = yes; then + AC_DEFINE(HAVE_STDCXX_0X,,[Define if g++ supports C++0x features. ]) + fi +]) @@ -8,38 +8,14 @@ AC_ARG_ENABLE(aac, [disable AAC support (default: enable)]),, enable_aac=yes) -AC_ARG_WITH(faad, - AS_HELP_STRING([--with-faad=PFX], - [prefix where faad2 is installed (optional)]),, - faad_prefix="") -AC_ARG_WITH(faad-libraries, - AS_HELP_STRING([--with-faad-libraries=DIR], - [directory where faad2 library is installed (optional)]),, - faad_libraries="") -AC_ARG_WITH(faad-includes, - AS_HELP_STRING([--with-faad-includes=DIR], - [directory where faad2 header files are installed (optional)]),, - faad_includes="") - if test x$enable_aac = xyes; then - if test "x$faad_libraries" != "x" ; then - FAAD_LIBS="-L$faad_libraries" - elif test "x$faad_prefix" != "x" ; then - FAAD_LIBS="-L$faad_prefix/lib" - fi - - FAAD_LIBS="$FAAD_LIBS -lfaad" - - if test "x$faad_includes" != "x" ; then - FAAD_CFLAGS="-I$faad_includes" - elif test "x$faad_prefix" != "x" ; then - FAAD_CFLAGS="-I$faad_prefix/include" - fi + FAAD_LIBS="-lfaad" + FAAD_CFLAGS="" oldcflags=$CFLAGS oldlibs=$LIBS oldcppflags=$CPPFLAGS - CFLAGS="$CFLAGS $FAAD_CFLAGS -I." + CFLAGS="$CFLAGS $FAAD_CFLAGS" LIBS="$LIBS $FAAD_LIBS" CPPFLAGS=$CFLAGS AC_CHECK_HEADER(faad.h,,enable_aac=no) @@ -47,77 +23,36 @@ if test x$enable_aac = xyes; then AC_CHECK_DECL(FAAD2_VERSION,,enable_aac=no,[#include <faad.h>]) fi if test x$enable_aac = xyes; then - AC_CHECK_DECL(faacDecInit2,,enable_aac=no,[#include <faad.h>]) - fi - if test x$enable_aac = xyes; then - AC_CHECK_LIB(faad,faacDecInit2,,enable_aac=no) - if test x$enable_aac = xno; then - enable_aac=yes - AC_CHECK_LIB(faad,NeAACDecInit2,,enable_aac=no) - fi + AC_CHECK_LIB(faad,NeAACDecInit2,,enable_aac=no) fi if test x$enable_aac = xyes; then - AC_MSG_CHECKING(that FAAD2 uses buffer and bufferlen) - AC_COMPILE_IFELSE([AC_LANG_SOURCE([ -#include <faad.h> - -int main() { - char buffer; - long bufferlen = 0; - faacDecHandle decoder; - faacDecFrameInfo frameInfo; - faacDecConfigurationPtr config; - unsigned char channels; - long sampleRate; - mp4AudioSpecificConfig mp4ASC; - - decoder = faacDecOpen(); - config = faacDecGetCurrentConfiguration(decoder); - config->outputFormat = FAAD_FMT_16BIT; - faacDecSetConfiguration(decoder,config); - AudioSpecificConfig(&buffer, bufferlen, &mp4ASC); - faacDecInit(decoder,&buffer,bufferlen,&sampleRate,&channels); - faacDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels); - faacDecDecode(decoder,&frameInfo,&buffer,bufferlen); - - return 0; -} -])],[AC_MSG_RESULT(yes);AC_DEFINE(HAVE_FAAD_BUFLEN_FUNCS,1,[Define if FAAD2 uses buflen in function calls])],[AC_MSG_RESULT(no); AC_MSG_CHECKING(that FAAD2 can even be used) AC_COMPILE_IFELSE([AC_LANG_SOURCE([ #include <faad.h> int main() { char buffer; - faacDecHandle decoder; - faacDecFrameInfo frameInfo; - faacDecConfigurationPtr config; + NeAACDecHandle decoder; + NeAACDecFrameInfo frameInfo; + NeAACDecConfigurationPtr config; unsigned char channels; long sampleRate; long bufferlen = 0; - unsigned long dummy1_32; - unsigned char dummy2_8, dummy3_8, dummy4_8, dummy5_8, dummy6_8, - dummy7_8, dummy8_8; - decoder = faacDecOpen(); - config = faacDecGetCurrentConfiguration(decoder); + decoder = NeAACDecOpen(); + config = NeAACDecGetCurrentConfiguration(decoder); config->outputFormat = FAAD_FMT_16BIT; - faacDecSetConfiguration(decoder,config); - AudioSpecificConfig(&buffer,&dummy1_32,&dummy2_8, - &dummy3_8,&dummy4_8,&dummy5_8, - &dummy6_8,&dummy7_8,&dummy8_8); - faacDecInit(decoder,&buffer,&sampleRate,&channels); - faacDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels); - faacDecDecode(decoder,&frameInfo,&buffer); - faacDecClose(decoder); + NeAACDecSetConfiguration(decoder,config); + NeAACDecInit(decoder,&buffer,bufferlen,&sampleRate,&channels); + NeAACDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels); + NeAACDecDecode(decoder,&frameInfo,&buffer,bufferlen); + NeAACDecClose(decoder); return 0; } ])],AC_MSG_RESULT(yes),[AC_MSG_RESULT(no);enable_aac=no]) - ]) fi if test x$enable_aac = xyes; then - AC_CHECK_MEMBERS([faacDecConfiguration.downMatrix,faacDecConfiguration.dontUpSampleImplicitSBR,faacDecFrameInfo.samplerate],,,[#include <faad.h>]) AC_DEFINE(HAVE_FAAD,1,[Define to use FAAD2 for AAC decoding]) else AC_MSG_WARN([faad2 lib needed for MP4/AAC support -- disabling MP4/AAC support]) @@ -145,7 +80,7 @@ int main() { unsigned char channels; uint32_t sample_rate; - faacDecInit2(NULL, NULL, 0, &sample_rate, &channels); + NeAACDecInit2(NULL, NULL, 0, &sample_rate, &channels); return 0; } ])], @@ -156,40 +91,9 @@ int main() { CFLAGS=$oldcflags LIBS=$oldlibs CPPFLAGS=$oldcppflags -fi - -if test x$enable_aac = xyes; then - enable_mp4=yes - MP4FF_LIBS="-lmp4ff" - - oldcflags=$CFLAGS - oldlibs=$LIBS - oldcppflags=$CPPFLAGS - CFLAGS="$CFLAGS $FAAD_CFLAGS" - LIBS="$LIBS $FAAD_LIBS $MP4FF_LIBS" - CPPFLAGS=$CFLAGS - - AC_CHECK_HEADER(mp4ff.h,,enable_mp4=no) - - if test x$enable_mp4 = xyes; then - AC_CHECK_LIB(mp4ff,mp4ff_open_read,,enable_mp4=no) - fi - - if test x$enable_mp4 = xyes; then - AC_SUBST(MP4FF_LIBS) - AC_DEFINE(HAVE_MP4, 1, [Define to use FAAD2+mp4ff for MP4 decoding]) - else - AC_MSG_WARN([libmp4ff needed for MP4 support -- disabling MP4 support]) - unset MP4FF_LIBS - fi - - CFLAGS=$oldcflags - LIBS=$oldlibs - CPPFLAGS=$oldcppflags else - enable_mp4=no - FAAD_CFLAGS="" FAAD_LIBS="" + FAAD_CFLAGS="" fi AC_SUBST(FAAD_CFLAGS) |