From c69cb8cc094cc916adbc516b09e944cd3d137c01 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 13:08:07 +0200 Subject: Adding upstream version 1.29.3. Signed-off-by: Daniel Baumann --- build/m4/ax_c_statement_expressions.m4 | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 build/m4/ax_c_statement_expressions.m4 (limited to 'build/m4/ax_c_statement_expressions.m4') 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 + -- cgit v1.2.3