diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
| commit | 1e6c93250172946eeb38e94a92a1fd12c9d3011e (patch) | |
| tree | 8ca5e16dfc7ad6b3bf2738ca0a48408a950f8f7e /build/m4/ax_c_statement_expressions.m4 | |
| parent | Update watch file (diff) | |
| download | netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.tar.xz netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.zip | |
Merging upstream version 1.11.0+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'build/m4/ax_c_statement_expressions.m4')
| -rw-r--r-- | build/m4/ax_c_statement_expressions.m4 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/build/m4/ax_c_statement_expressions.m4 b/build/m4/ax_c_statement_expressions.m4 new file mode 100644 index 000000000..fb259e727 --- /dev/null +++ b/build/m4/ax_c_statement_expressions.m4 @@ -0,0 +1,23 @@ +# AC_C_STMT_EXPR +# ------------- +# Define HAVE_STMT_EXPR if compiler has statement expressions. +AN_IDENTIFIER([_Generic], [AC_C_STMT_EXPR]) +AC_DEFUN([AC_C_STMT_EXPR], +[AC_CACHE_CHECK([for statement expressions], ac_cv_c_stmt_expr, +[AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[int + main (int argc, char **argv) + { + int x = ({ int y = 1; y; }); + return x; + } + ]])], + [ac_cv_c_stmt_expr=yes], + [ac_cv_c_stmt_expr=no])]) +if test $ac_cv_c_stmt_expr = yes; then + AC_DEFINE([HAVE_STMT_EXPR], 1, + [Define to 1 if compiler supports statement expressions.]) +fi +])# AC_C_STMT_EXPR + |