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-rw-r--r--gl/m4/stdint.m417
1 files changed, 10 insertions, 7 deletions
diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4
index d6961b0..4aa2508 100644
--- a/gl/m4/stdint.m4
+++ b/gl/m4/stdint.m4
@@ -1,5 +1,5 @@
-# stdint.m4 serial 61
-dnl Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# stdint.m4 serial 63
+dnl Copyright (C) 2001-2024 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.
@@ -150,7 +150,10 @@ intmax_t i = INTMAX_MAX;
uintmax_t j = UINTMAX_MAX;
/* Check that SIZE_MAX has the correct type, if possible. */
-#if 201112 <= __STDC_VERSION__
+/* ISO C 11 mandates _Generic, but GCC versions < 4.9 lack it. */
+#if 201112 <= __STDC_VERSION__ \
+ && (!defined __GNUC__ || 4 < __GNUC__ + (9 <= __GNUC_MINOR__) \
+ || defined __clang__)
int k = _Generic (SIZE_MAX, size_t: 0);
#elif (2 <= __GNUC__ || 4 <= __clang_major__ || defined __IBM__TYPEOF__ \
|| (0x5110 <= __SUNPRO_C && !__STDC__))
@@ -283,10 +286,10 @@ static const char *macro_values[] =
[gl_cv_header_working_stdint_h=yes],
[],
[case "$host_os" in
- # Guess yes on native Windows.
- mingw*) gl_cv_header_working_stdint_h="guessing yes" ;;
- # In general, assume it works.
- *) gl_cv_header_working_stdint_h="guessing yes" ;;
+ # Guess yes on native Windows.
+ mingw* | windows*) gl_cv_header_working_stdint_h="guessing yes" ;;
+ # In general, assume it works.
+ *) gl_cv_header_working_stdint_h="guessing yes" ;;
esac
])
])