/usr/share/aclocal/lcm.m4 is in liblcm-dev 1.3.1+repack1-1.
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 | # Configure paths for lcm
# Albert Huang
# Large parts shamelessly stolen from GIMP
dnl AM_PATH_LCM([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for lcm, and define LCM_CFLAGS and LCM_LIBS
dnl
AC_DEFUN([AM_PATH_LCM],
[dnl
dnl Get the cflags and libraries from pkg-config
dnl
AC_ARG_ENABLE(lcmtest, [ --disable-lcmtest do not try to compile and run a test lcm program],, enable_lcmtest=yes)
pkg_name=lcm
pkg_config_args="$pkg_name glib-2.0"
no_lcm=""
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test x$PKG_CONFIG != xno ; then
if pkg-config --atleast-pkgconfig-version 0.7 ; then
:
else
echo *** pkg-config too old; version 0.7 or better required.
no_lcm=yes
PKG_CONFIG=no
fi
else
no_lcm=yes
fi
min_lcm_version=ifelse([$1], ,0.0.1,$1)
AC_MSG_CHECKING(for lcm - version >= $min_lcm_version)
if test x$PKG_CONFIG != xno ; then
## don't try to run the test against uninstalled libtool libs
if $PKG_CONFIG --uninstalled $pkg_config_args; then
echo "Will use uninstalled version of lcm found in PKG_CONFIG_PATH"
enable_lcmtest=no
fi
if $PKG_CONFIG --atleast-version $min_lcm_version $pkg_config_args; then
:
else
no_lcm=yes
fi
fi
if test x"$no_lcm" = x ; then
LCM_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
LCM_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
lcm_pkg_major_version=`$PKG_CONFIG --modversion $pkg_name | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
lcm_pkg_minor_version=`$PKG_CONFIG --modversion $pkg_name | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
lcm_pkg_micro_version=`$PKG_CONFIG --modversion $pkg_name | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_lcmtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LCM_CFLAGS"
LIBS="$LCM_LIBS $LIBS"
dnl
dnl Now check if the installed lcm is sufficiently new. (Also sanity
dnl checks the results of pkg-config to some extent
dnl
rm -f conf.lcmtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lcm/lcm.h>
int main ()
{
int major, minor, micro;
char *tmp_version;
lcm_t *lcm;
system ("touch conf.lcmtest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = strdup("$min_lcm_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_lcm_version");
exit(1);
}
if (($lcm_pkg_major_version > major) ||
(($lcm_pkg_major_version == major) && ($lcm_pkg_minor_version > minor)) ||
(($lcm_pkg_major_version == major) && ($lcm_pkg_minor_version == minor) && ($lcm_pkg_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'pkg-config --modversion %s' returned %d.%d.%d, but the minimum version\n", "$pkg_name", $lcm_pkg_major_version, $lcm_pkg_minor_version, $lcm_pkg_micro_version);
printf("*** of lcm required is %d.%d.%d. If pkg-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
printf("*** to point to the correct the correct configuration files\n");
return 1;
}
}
],, no_lcm=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_lcm" = x ; then
AC_MSG_RESULT(yes (version $lcm_pkg_major_version.$lcm_pkg_minor_version.$lcm_pkg_micro_version))
ifelse([$2], , :, [$2])
else
if test "$PKG_CONFIG" = "no" ; then
echo "*** A new enough version of pkg-config was not found."
echo "*** See http://www.freedesktop.org/software/pkgconfig/"
else
if test -f conf.lcmtest ; then
:
else
echo "*** Could not run lcm test program, checking why..."
CFLAGS="$CFLAGS $LCM_CFLAGS"
LIBS="$LIBS $LCM_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <lcm/lcm.h>
lcm_t *lcm;
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding lcm or finding the wrong"
echo "*** version of lcm. If it is not finding lcm, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occurred. This usually means lcm is incorrectly installed."])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
LCM_CFLAGS=""
LCM_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(LCM_CFLAGS)
AC_SUBST(LCM_LIBS)
rm -f conf.lcmtest
])
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