-# Configure paths for CLN
-# Richard Kreckel 11/17/2000
-# stolen from Christian Bauer
+# Configure paths for the CLN library
+# Richard Kreckel 12/4/2000
+# borrowed from Christian Bauer
# stolen from Sam Lantinga
# stolen from Manish Singh
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
-dnl AC_PATH_LIBCLN([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for installed CLN library, and define LIBCLN_CPPFLAGS and LIBCLN_LIBS
+dnl AC_PATH_CLN([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for installed CLN library, and define CLN_CPPFLAGS and CLN_LIBS
dnl
-AC_DEFUN(AC_PATH_LIBCLN,
+AC_DEFUN([AC_PATH_CLN],
[dnl
dnl Get the cppflags and libraries from the cln-config script
dnl
AC_ARG_WITH(cln-prefix,[ --with-cln-prefix=PFX Prefix where CLN is installed (optional)],
- cln_prefix="$withval", cln_prefix="")
+ cln_config_prefix="$withval", cln_config_prefix="")
AC_ARG_WITH(cln-exec-prefix,[ --with-cln-exec-prefix=PFX Exec prefix where CLN is installed (optional)],
- cln_exec_prefix="$withval", cln_exec_prefix="")
+ cln_config_exec_prefix="$withval", cln_config_exec_prefix="")
AC_ARG_ENABLE(clntest, [ --disable-clntest Do not try to compile and run a test CLN program],
- , enable_clntest=yes)
+ , enable_clntest=yes)
- if test x$cln_exec_prefix != x ; then
- cln_args="$cln_args --exec-prefix=$cln_exec_prefix"
- if test x${CLN_CONFIG+set} != xset ; then
- CLN_CONFIG=$cln_exec_prefix/bin/cln-config
- fi
- fi
- if test x$cln_prefix != x ; then
- cln_args="$cln_args --prefix=$cln_prefix"
- if test x${CLN_CONFIG+set} != xset ; then
- CLN_CONFIG=$cln_prefix/bin/cln-config
- fi
- fi
+if test x$cln_config_exec_prefix != x ; then
+ cln_config_args="$cln_config_args --exec-prefix=$cln_config_exec_prefix"
+ if test x${CLN_CONFIG+set} != xset ; then
+ CLN_CONFIG=$cln_config_exec_prefix/bin/cln-config
+ fi
+fi
+if test x$cln_config_prefix != x ; then
+ cln_config_args="$cln_config_args --prefix=$cln_config_prefix"
+ if test x${CLN_CONFIG+set} != xset ; then
+ CLN_CONFIG=$cln_config_prefix/bin/cln-config
+ fi
+fi
- AC_PATH_PROG(CLN_CONFIG, cln-config, no)
- min_cln_version=ifelse([$1], ,1.1.0,$1)
- AC_MSG_CHECKING(for CLN - version >= $min_cln_version)
- no_cln=""
- if test "$CLN_CONFIG" = "no" ; then
- no_cln=yes
- else
- LIBCLN_CPPFLAGS=`$CLN_CONFIG $clnconf_args --cppflags`
- LIBCLN_LIBS=`$CLN_CONFIG $clnconf_args --libs`
-
- cln_major_version=`$CLN_CONFIG $cln_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
- cln_minor_version=`$CLN_CONFIG $cln_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
- cln_micro_version=`$CLN_CONFIG $cln_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
- if test "x$enable_clntest" = "xyes" ; then
- ac_save_CPPFLAGS="$CPPFLAGS"
- ac_save_LIBS="$LIBS"
- CPPFLAGS="$CPPFLAGS $LIBCLN_CPPFLAGS"
- LIBS="$LIBS $LIBCLN_LIBS"
-dnl
-dnl Now check if the installed CLN is sufficiently new. (Also sanity
-dnl checks the results of cln-config to some extent
-dnl
- rm -f conf.clntest
- AC_TRY_RUN([
+AC_PATH_PROG(CLN_CONFIG, cln-config, no)
+cln_min_version=ifelse([$1], ,1.1.0,$1)
+AC_MSG_CHECKING(for CLN - version >= $cln_min_version)
+if test "$CLN_CONFIG" = "no" ; then
+ AC_MSG_RESULT(no)
+ echo "*** The cln-config script installed by CLN could not be found"
+ echo "*** If CLN was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the CLN_CONFIG environment variable to the"
+ echo "*** full path to cln-config."
+ ifelse([$3], , :, [$3])
+else
+dnl Parse required version and the result of cln-config.
+ cln_min_major_version=`echo $cln_min_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ cln_min_minor_version=`echo $cln_min_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ cln_min_micro_version=`echo $cln_min_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+ CLN_CPPFLAGS=`$CLN_CONFIG $cln_config_args --cppflags`
+ CLN_LIBS=`$CLN_CONFIG $cln_config_args --libs`
+ cln_config_version=`$CLN_CONFIG $cln_config_args --version`
+ cln_config_major_version=`echo $cln_config_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ cln_config_minor_version=`echo $cln_config_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ cln_config_micro_version=`echo $cln_config_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+dnl Check if the installed CLN is sufficiently new according to cln-config.
+ if test \( $cln_config_major_version -lt $cln_min_major_version \) -o \
+ \( $cln_config_major_version -eq $cln_min_major_version -a $cln_config_minor_version -lt $cln_min_minor_version \) -o \
+ \( $cln_config_major_version -eq $cln_min_major_version -a $cln_config_minor_version -eq $cln_min_minor_version -a $cln_config_micro_version -lt $cln_min_micro_version \); then
+ echo -e "\n*** 'cln-config --version' returned $cln_config_major_version.$cln_config_minor_version.$cln_config_micro_version, but the minimum version"
+ echo "*** of CLN required is $cln_min_major_version.$cln_min_minor_version.$cln_min_micro_version. If cln-config is correct, then it is"
+ echo "*** best to upgrade to the required version."
+ echo "*** If cln-config was wrong, set the environment variable CLN_CONFIG"
+ echo "*** to point to the correct copy of cln-config, and remove the file"
+ echo "*** config.cache before re-running configure."
+ ifelse([$3], , :, [$3])
+ else
+dnl The versions match so far. Now do a sanity check: Does the result of cln-config
+dnl match the version of the headers and the version built into the library, too?
+ no_cln=""
+ if test "x$enable_clntest" = "xyes" ; then
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LIBS="$LIBS"
+ CPPFLAGS="$CPPFLAGS $CLN_CPPFLAGS"
+ LIBS="$LIBS $CLN_LIBS"
+ rm -f conf.clntest
+ AC_TRY_RUN([
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
-#include <cln/config.h>
+#include <cln/version.h>
-int main ()
-{
- int major, minor, micro;
- char *tmp_version;
+/* we do not #include <stdlib.h> because autoconf in C++ mode inserts a
+ prototype for exit() that conflicts with the one in stdlib.h */
+extern "C" int system(const char *);
- system("touch conf.clntest");
-
- tmp_version = strdup("$min_cln_version");
- if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
- printf("%s, bad version string\n", "$min_cln_version");
- exit(1);
- }
+int main(void)
+{
+ system("touch conf.clntest");
- if (($cln_major_version > major) ||
- (($cln_major_version == major) && ($cln_minor_version > minor)) ||
- (($cln_major_version == major) && ($cln_minor_version == minor) && ($cln_micro_version >= micro))) {
- if ((CL_VERSION_MAJOR == $cln_major_version) &&
- (CL_VERSION_MINOR == $cln_minor_version) &&
- (CL_VERSION_PATCHLEVEL == $cln_micro_version)) {
- return 0;
- } else {
- printf("\n*** 'cln-config --version' returned %d.%d.%d, but the header file I found\n", $cln_major_version, $cln_minor_version, $cln_micro_version);
- printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of CLN\n", CL_VERSION_MAJOR, CL_VERSION_MINOR, CL_VERSION_PATCHLEVEL);
- printf("*** is corrupted. Please inquire and consider reinstalling CLN.\n");
- return 1;
+ if ((CL_VERSION_MAJOR != $cln_config_major_version) ||
+ (CL_VERSION_MINOR != $cln_config_minor_version) ||
+ (CL_VERSION_PATCHLEVEL != $cln_config_micro_version)) {
+ printf("\n*** 'cln-config --version' returned %d.%d.%d, but the header file I found\n", $cln_config_major_version, $cln_config_minor_version, $cln_config_micro_version);
+ printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of CLN\n", CL_VERSION_MAJOR, CL_VERSION_MINOR, CL_VERSION_PATCHLEVEL);
+ printf("*** is corrupted or you have specified some wrong -I compiler flags.\n");
+ printf("*** Please inquire and consider reinstalling CLN.\n");
+ return 1;
+ }
+ if ((cln::version_major != $cln_config_major_version) ||
+ (cln::version_minor != $cln_config_minor_version) ||
+ (cln::version_patchlevel != $cln_config_micro_version)) {
+ printf("\n*** 'cln-config --version' returned %d.%d.%d, but the library I found\n", $cln_config_major_version, $cln_config_minor_version, $cln_config_micro_version);
+ printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of CLN\n", cln::version_major, cln::version_minor, cln::version_patchlevel);
+ printf("*** is corrupted or you have specified some wrong -L compiler flags.\n");
+ printf("*** Please inquire and consider reinstalling CLN.\n");
+ return 1;
}
- } else {
- printf("\n*** 'cln-config --version' returned %d.%d.%d, but the minimum version\n", $cln_major_version, $cln_minor_version, $cln_micro_version);
- printf("*** of CLN required is %d.%d.%d. If cln-config is correct, then it is\n", major, minor, micro);
- printf("*** best to upgrade to the required version.\n");
- printf("*** If cln-config was wrong, set the environment variable CLN_CONFIG\n");
- printf("*** to point to the correct copy of cln-config, and remove the file\n");
- printf("*** config.cache before re-running configure\n");
- return 1;
- }
+ return 0;
}
],, no_cln=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CPPFLAGS="$ac_save_CPPFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
- if test "x$no_cln" = x ; then
- AC_MSG_RESULT(yes)
- ifelse([$2], , :, [$2])
- else
- AC_MSG_RESULT(no)
- if test "$CLN_CONFIG" = "no" ; then
- echo "*** The cln-config script installed by CLN could not be found"
- echo "*** If CLN was installed in PREFIX, make sure PREFIX/bin is in"
- echo "*** your path, or set the CLN_CONFIG environment variable to the"
- echo "*** full path to cln-config."
- else
- if test -f conf.clntest ; then
- :
- else
- echo "*** Could not run CLN test program, checking why..."
- CPPFLAGS="$CFLAGS $LIBCLN_CPPFLAGS"
- LIBS="$LIBS $LIBCLN_LIBS"
- AC_TRY_LINK([
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ if test "x$no_cln" = x ; then
+ AC_MSG_RESULT([yes, $cln_config_version])
+ ifelse([$2], , :, [$2])
+ else
+ AC_MSG_RESULT(no)
+ if test ! -f conf.clntest ; then
+ echo "*** Could not run CLN test program, checking why..."
+ CPPFLAGS="$CFLAGS $CLN_CPPFLAGS"
+ LIBS="$LIBS $CLN_LIBS"
+ AC_TRY_LINK([
#include <stdio.h>
-#include <cln/cln.h>
-], [ return 0; ],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding CLN or finding the wrong"
- echo "*** version of CLN. If it is not finding CLN, 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 CLN was incorrectly installed"
- echo "*** or that you have moved CLN since it was installed. In the latter case, you"
- echo "*** may want to edit the cln-config script: $CLN_CONFIG" ])
- CPPFLAGS="$ac_save_CPPFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
- LIBCLN_CPPFLAGS=""
- LIBCLN_LIBS=""
- ifelse([$3], , :, [$3])
- fi
- AC_SUBST(LIBCLN_CPPFLAGS)
- AC_SUBST(LIBCLN_LIBS)
- rm -f conf.clntest
+#include <cln/version.h>
+], [ return 0; ],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding CLN or finding the wrong"
+ echo "*** version of CLN. If it is not finding CLN, 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 "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means CLN was incorrectly installed"
+ echo "*** or that you have moved CLN since it was installed. In the latter case, you"
+ echo "*** may want to edit the cln-config script: $CLN_CONFIG." ])
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ CLN_CPPFLAGS=""
+ CLN_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ fi
+fi
+AC_SUBST(CLN_CPPFLAGS)
+AC_SUBST(CLN_LIBS)
+rm -f conf.clntest
])