/usr/share/aclocal/smpeg.m4 is in libsmpeg-dev 0.4.5+cvs20030824-7.2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | # Configure paths for SMPEG
# Nicolas Vignal 11/19/2000
# stolen from Sam Lantinga
# stolen from Manish Singh
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
dnl AM_PATH_SMPEG([MINIMUM-VERSION, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
dnl Test for SMPEG, and define SMPEG_CFLAGS and SMPEG_LIBS
dnl
AC_DEFUN([AM_PATH_SMPEG],
[dnl
dnl Get the cflags and libraries from the smpeg-config script
dnl
AC_ARG_WITH([smpeg-prefix],
AS_HELP_STRING([--with-smpeg-prefix=PFX],
[Prefix where SMPEG is installed (optional)]),
[smpeg_prefix="$withval"], [smpeg_prefix=""])
AC_ARG_WITH([smpeg-exec-prefix],
AS_HELP_STRING([--with-smpeg-exec-prefix=PFX],
[Exec prefix where SMPEG is installed (optional)]),
[smpeg_exec_prefix="$withval"], [smpeg_exec_prefix=""])
AC_ARG_ENABLE([smpegtest],
AS_HELP_STRING([--disable-smpegtest],
[Do not try to compile and run a test SMPEG program]),
[], [enable_smpegtest=yes])
if test x$smpeg_exec_prefix != x ; then
smpeg_args="$smpeg_args --exec-prefix=$smpeg_exec_prefix"
if test x${SMPEG_CONFIG+set} != xset ; then
SMPEG_CONFIG=$smpeg_exec_prefix/bin/smpeg-config
fi
fi
if test x$smpeg_prefix != x ; then
smpeg_args="$smpeg_args --prefix=$smpeg_prefix"
if test x${SMPEG_CONFIG+set} != xset ; then
SMPEG_CONFIG=$smpeg_prefix/bin/smpeg-config
fi
fi
AC_PATH_PROG([SMPEG_CONFIG], [smpeg-config], [no])
min_smpeg_version=ifelse([$1], [], [0.2.7], [$1])
AC_MSG_CHECKING([for SMPEG - version >= $min_smpeg_version])
no_smpeg=""
if test "$SMPEG_CONFIG" = "no" ; then
no_smpeg=yes
else
SMPEG_CFLAGS=`$SMPEG_CONFIG $smpegconf_args --cflags`
SMPEG_LIBS=`$SMPEG_CONFIG $smpegconf_args --libs`
smpeg_major_version=`$SMPEG_CONFIG $smpeg_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
smpeg_minor_version=`$SMPEG_CONFIG $smpeg_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
smpeg_micro_version=`$SMPEG_CONFIG $smpeg_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_smpegtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $SMPEG_CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SMPEG_LIBS $SDL_LIBS"
dnl
dnl Now check if the installed SMPEG is sufficiently new. (Also sanity
dnl checks the results of smpeg-config to some extent
dnl
rm -f conf.smpegtest
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "smpeg.h"
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main (int argc, char *argv[])
{
int major, minor, micro;
char *tmp_version;
/* This hangs on some systems (?)
system ("touch conf.smpegtest");
*/
{ FILE *fp = fopen("conf.smpegtest", "a"); if ( fp ) fclose(fp); }
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_smpeg_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_smpeg_version");
exit(1);
}
if (($smpeg_major_version > major) ||
(($smpeg_major_version == major) && ($smpeg_minor_version > minor)) ||
(($smpeg_major_version == major) && ($smpeg_minor_version == minor) && ($smpeg_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'smpeg-config --version' returned %d.%d.%d, but the minimum version\n", $smpeg_major_version, $smpeg_minor_version, $smpeg_micro_version);
printf("*** of SMPEG required is %d.%d.%d. If smpeg-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If smpeg-config was wrong, set the environment variable SMPEG_CONFIG\n");
printf("*** to point to the correct copy of smpeg-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
]])],[],[no_smpeg=yes], [echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_smpeg" = x ; then
AC_MSG_RESULT([yes])
ifelse([$2], [], [:], [$2])
else
AC_MSG_RESULT([no])
if test "$SMPEG_CONFIG" = "no" ; then
echo "*** The smpeg-config script installed by SMPEG could not be found"
echo "*** If SMPEG was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the SMPEG_CONFIG environment variable to the"
echo "*** full path to smpeg-config."
else
if test -f conf.smpegtest ; then
:
else
echo "*** Could not run SMPEG test program, checking why..."
CFLAGS="$CFLAGS $SMPEG_CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SMPEG_LIBS $SDL_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include "smpeg.h"
]],
[[ return 0; ]])],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding SMPEG or finding the wrong"
echo "*** version of SMPEG. If it is not finding SMPEG, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means SMPEG was incorrectly installed"
echo "*** or that you have moved SMPEG since it was installed. In the latter case, you"
echo "*** may want to edit the smpeg-config script: $SMPEG_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
SMPEG_CFLAGS=""
SMPEG_LIBS=""
ifelse([$3], [], [:], [$3])
fi
AC_SUBST([SMPEG_CFLAGS])
AC_SUBST([SMPEG_LIBS])
rm -f conf.smpegtest
])
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