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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:08:07 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:08:07 +0000 |
| commit | c69cb8cc094cc916adbc516b09e944cd3d137c01 (patch) | |
| tree | f2878ec41fb6d0e3613906c6722fc02b934eeb80 /build/m4/ax_c_statement_expressions.m4 | |
| parent | Initial commit. (diff) | |
| download | netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.tar.xz netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.zip | |
Adding upstream version 1.29.3.upstream/1.29.3upstream
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 0000000..fb259e7 --- /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 + |