File: namespaces.m4

package info (click to toggle)
iceweasel 31.6.0esr-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 1,368,576 kB
  • sloc: cpp: 3,692,968; ansic: 1,797,194; python: 193,401; java: 180,622; asm: 133,557; xml: 89,288; sh: 71,748; perl: 22,087; makefile: 21,687; objc: 4,014; yacc: 1,995; pascal: 1,292; lex: 950; exp: 449; lisp: 228; awk: 211; php: 113; sed: 43; csh: 31; ada: 16; ruby: 3
file content (15 lines) | stat: -rw-r--r-- 735 bytes parent folder | download | duplicates (62) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
# Checks whether the compiler implements namespaces
AC_DEFUN([AC_CXX_NAMESPACES],
 [AC_CACHE_CHECK(whether the compiler implements namespaces,
                 ac_cv_cxx_namespaces,
                 [AC_LANG_SAVE
                  AC_LANG_CPLUSPLUS
                  AC_TRY_COMPILE([namespace Outer {
                                    namespace Inner { int i = 0; }}],
                                 [using namespace Outer::Inner; return i;],
                                 ac_cv_cxx_namespaces=yes,
                                 ac_cv_cxx_namespaces=no)
                  AC_LANG_RESTORE])
  if test "$ac_cv_cxx_namespaces" = yes; then
    AC_DEFINE(HAVE_NAMESPACES, 1, [define if the compiler implements namespaces])
  fi])