summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gsm-receiver/config/gr_lib64.m485
1 files changed, 85 insertions, 0 deletions
diff --git a/gsm-receiver/config/gr_lib64.m4 b/gsm-receiver/config/gr_lib64.m4
new file mode 100644
index 0000000..751f774
--- /dev/null
+++ b/gsm-receiver/config/gr_lib64.m4
@@ -0,0 +1,85 @@
+dnl
+dnl Copyright 2005,2008 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GNU Radio
+dnl
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING. If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl
+
+dnl GR_LIB64()
+dnl
+dnl Checks to see if we're on a x86_64 or powerpc64 machine, and if so, determine
+dnl if libdir should end in "64" or not.
+dnl
+dnl Sets gr_libdir_suffix to "" or "64" and calls AC_SUBST(gr_libdir_suffix)
+dnl May append "64" to libdir.
+dnl
+dnl The current heuristic is:
+dnl if the host_cpu isn't x86_64 or powerpc64, then ""
+dnl if the host_os isn't linux, then ""
+dnl if we're cross-compiling, ask the linker, by way of the selected compiler
+dnl if we're x86_64 and there's a /lib64 and it's not a symlink, then "64", else ""
+dnl else ask the compiler
+dnl
+AC_DEFUN([GR_LIB64],[
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([AC_PROG_CXX])
+
+ AC_MSG_CHECKING([gr_libdir_suffix])
+ gr_libdir_suffix=""
+ AC_SUBST(gr_libdir_suffix)
+
+ case "$host_os" in
+ linux*) is_linux=yes ;;
+ *) is_linux=no ;;
+ esac
+
+ if test "$is_linux" = no || test "$host_cpu" != "x86_64" && test "$host_cpu" != "powerpc64"; then
+ gr_libdir_suffix=""
+ elif test "$cross_compiling" = yes; then
+ _GR_LIB64_ASK_COMPILER
+ elif test "$host_cpu" = "x86_64"; then
+ if test -d /lib64 && test ! -L /lib64; then
+ gr_libdir_suffix=64
+ fi
+ else
+ _GR_LIB64_ASK_COMPILER
+ fi
+ AC_MSG_RESULT([$gr_libdir_suffix])
+
+
+ AC_MSG_CHECKING([whether to append 64 to libdir])
+ t=${libdir##*/lib}
+ if test "$t" != 64 && test "$gr_libdir_suffix" = "64"; then
+ libdir=${libdir}64
+ AC_MSG_RESULT([yes. Setting libdir to $libdir])
+ else
+ AC_MSG_RESULT([no])
+ fi
+])
+
+dnl If we're using g++, extract the first SEARCH_DIR("...") entry from the linker script
+dnl and see if it contains a suffix after the final .../lib part of the path.
+dnl (This works because the linker script varies depending on whether we're generating
+dnl 32-bit or 64-bit executables)
+dnl
+AC_DEFUN([_GR_LIB64_ASK_COMPILER],[
+ if test "$ac_cv_cxx_compiler_gnu" = "yes";
+ then
+ gr_libdir_suffix=`$CXX -Wl,--verbose 2>/dev/null | sed -n -e '/SEARCH_DIR/{s/;.*$//; s,^.*/,,; s/".*$//; s/^lib//; p}'`
+ fi
+])
+
personal git repositories of Harald Welte. Your mileage may vary