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authorGravatar Ton Voon <ton.voon@opsera.com> 2010-06-17 10:16:43 +0100
committerGravatar tonvoon <ton.voon@opsera.com> 2010-06-23 13:30:34 +0000
commit18f6835edaf7d640a2c9e476cb1babdbdadbfd9b (patch)
treeae11f40e48dc34658445c99012726f32bfb45c56 /gl/m4/asm-underscore.m4
parentf61412478ceb7c821793c8356b936f64066508bf (diff)
downloadmonitoring-plugins-18f6835edaf7d640a2c9e476cb1babdbdadbfd9b.tar.gz
Added state retention APIs. Implemented for check_snmp with --rate option.
See http://nagiosplugin.org/c-api-private for more details on the API. Also updated check_snmp -l option to change the perfdata label.
Diffstat (limited to 'gl/m4/asm-underscore.m4')
-rw-r--r--gl/m4/asm-underscore.m448
1 files changed, 48 insertions, 0 deletions
diff --git a/gl/m4/asm-underscore.m4 b/gl/m4/asm-underscore.m4
new file mode 100644
index 00000000..1736cc43
--- /dev/null
+++ b/gl/m4/asm-underscore.m4
@@ -0,0 +1,48 @@
+# asm-underscore.m4 serial 1
+dnl Copyright (C) 2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible. Based on as-underscore.m4 in GNU clisp.
+
+# gl_ASM_SYMBOL_PREFIX
+# Tests for the prefix of C symbols at the assembly language level and the
+# linker level. This prefix is either an underscore or empty. Defines the
+# C macro USER_LABEL_PREFIX to this prefix, and sets ASM_SYMBOL_PREFIX to
+# a stringified variant of this prefix.
+
+AC_DEFUN([gl_ASM_SYMBOL_PREFIX],
+[
+ dnl We don't use GCC's __USER_LABEL_PREFIX__ here, because
+ dnl 1. It works only for GCC.
+ dnl 2. It is incorrectly defined on some platforms, in some GCC versions.
+ AC_CACHE_CHECK(
+ [whether C symbols are prefixed with underscore at the linker level],
+ [gl_cv_prog_as_underscore],
+ [cat > conftest.c <<EOF
+#ifdef __cplusplus
+extern "C" int foo (void);
+#endif
+int foo(void) { return 0; }
+EOF
+ # Look for the assembly language name in the .s file.
+ AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c) >/dev/null 2>&1
+ if grep _foo conftest.s >/dev/null ; then
+ gl_cv_prog_as_underscore=yes
+ else
+ gl_cv_prog_as_underscore=no
+ fi
+ rm -f conftest*
+ ])
+ if test $gl_cv_prog_as_underscore = yes; then
+ USER_LABEL_PREFIX=_
+ else
+ USER_LABEL_PREFIX=
+ fi
+ AC_DEFINE_UNQUOTED([USER_LABEL_PREFIX], [$USER_LABEL_PREFIX],
+ [Define to the prefix of C symbols at the assembler and linker level,
+ either an underscore or empty.])
+ ASM_SYMBOL_PREFIX='"'${USER_LABEL_PREFIX}'"'
+ AC_SUBST([ASM_SYMBOL_PREFIX])
+])