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configure: Update for autoconf 2.71 #324

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configure: Update for autoconf 2.71 #324

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57 changes: 35 additions & 22 deletions configure.ac
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(alsa-lib, 1.2.9)
AC_PREREQ([2.71])
AC_INIT([alsa-lib],[1.2.9])

AC_CONFIG_SRCDIR([src/control/control.c])
AC_CONFIG_MACRO_DIR([m4])
Expand Down Expand Up @@ -39,13 +39,34 @@ AM_PROG_LIBTOOL
CC_NOUNDEFINED

dnl Checks for header files.
AC_HEADER_STDC
m4_warn([obsolete],
[The preprocessor macro `STDC_HEADERS' is obsolete.
Except in unusual embedded environments, you can safely include all
ISO C90 headers unconditionally.])dnl
# Autoupdate added the next two lines to ensure that your configure
# script's behavior did not change. They are probably safe to remove.
AC_CHECK_INCLUDES_DEFAULT
AC_PROG_EGREP

AC_CONFIG_HEADERS(include/config.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_HEADER_TIME
m4_warn([obsolete],
[Update your code to rely only on HAVE_SYS_TIME_H,
then remove this warning and the obsolete code below it.
All current systems provide time.h; it need not be checked for.
Not all systems provide sys/time.h, but those that do, all allow
you to include it and time.h simultaneously.])dnl
AC_CHECK_HEADERS_ONCE([sys/time.h])
# Obsolete code to be removed.
if test $ac_cv_header_sys_time_h = yes; then
AC_DEFINE([TIME_WITH_SYS_TIME],[1],[Define to 1 if you can safely include both <sys/time.h>
and <time.h>. This macro is obsolete.])
fi
# End of obsolete code.


dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
Expand Down Expand Up @@ -237,10 +258,7 @@ fi

dnl Check for scandir64
AC_MSG_CHECKING(for LFS calls)
AC_TRY_LINK([#include <dirent.h>],
[struct dirent64 a; ],
[have_lfs=yes],
[have_lfs=no])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <dirent.h>]], [[struct dirent64 a; ]])],[have_lfs=yes],[have_lfs=no])
if test "$have_lfs" = "yes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_LFS], 1, [Have LFS])
Expand Down Expand Up @@ -344,7 +362,7 @@ AC_ARG_ENABLE(resmgr,
AC_MSG_RESULT($resmgr)
if test "$resmgr" = "yes"; then
AC_CHECK_LIB(resmgr, rsm_open_device,,
AC_ERROR([Cannot find libresmgr]))
AC_MSG_ERROR(Cannot find libresmgr))
AC_DEFINE(SUPPORT_RESMGR, "1", [Support resmgr with alsa-lib])
fi

Expand Down Expand Up @@ -519,22 +537,16 @@ dnl check atomics for pcm_meter
AC_MSG_CHECKING([whether GCC supports builtin atomic intrinsics])
if test -z "$gcc_have_atomics"; then
gcc_have_atomics=no
AC_TRY_LINK([],
[int i;
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;
__atomic_load_n(&i, __ATOMIC_SEQ_CST);
__atomic_add_fetch(&i, 0, __ATOMIC_SEQ_CST);
],
[gcc_have_atomics=yes],
[gcc_have_atomics=no])
]])],[gcc_have_atomics=yes],[gcc_have_atomics=no])
fi
AC_MSG_RESULT($gcc_have_atomics)

dnl check mmx register for pcm_dmix_i386

AC_TRY_LINK([],
[__asm__ volatile ("" : : : "mm0");],
[AC_DEFINE([HAVE_MMX], "1", [MMX technology is enabled])],
[])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[__asm__ volatile ("" : : : "mm0");]])],[AC_DEFINE([HAVE_MMX], "1", [MMX technology is enabled])],[])

PCM_PLUGIN_LIST="copy linear route mulaw alaw adpcm rate plug multi shm file null empty share meter hooks lfloat ladspa dmix dshare dsnoop asym iec958 softvol extplug ioplug mmap_emul"

Expand Down Expand Up @@ -715,9 +727,9 @@ AC_ARG_WITH(max-cards,
AC_MSG_RESULT([$max_cards])

if test "$max_cards" -lt 1; then
AC_ERROR([Invalid max cards $max_cards])
AC_MSG_ERROR(Invalid max cards $max_cards)
elif test "$max_cards" -gt 256; then
AC_ERROR([Invalid max cards $max_cards])
AC_MSG_ERROR(Invalid max cards $max_cards)
fi
AC_DEFINE_UNQUOTED(SND_MAX_CARDS, $max_cards, [Max number of cards])

Expand All @@ -743,7 +755,7 @@ if test ! -L "$srcdir"/include/alsa ; then
ln -sf . "$srcdir"/include/alsa
fi

AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
AC_CONFIG_FILES([Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
include/Makefile include/sound/Makefile include/sound/uapi/Makefile \
src/Versions src/Makefile \
src/control/Makefile src/mixer/Makefile \
Expand All @@ -758,7 +770,8 @@ AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \
alsalisp/Makefile aserver/Makefile \
test/Makefile test/lsb/Makefile \
utils/Makefile utils/alsa-lib.spec utils/alsa.pc utils/alsa-topology.pc)
utils/Makefile utils/alsa-lib.spec utils/alsa.pc utils/alsa-topology.pc])
AC_OUTPUT

dnl Create asoundlib.h dynamically according to configure options
echo "Creating asoundlib.h..."
Expand Down