ref: b936ca27abf52b33fc4eba0c2d20692ce374a868
parent: e050803ed1acab5e378647d66c5da00f4f5fee09
author: ISSOtm <[email protected]>
date: Fri Apr 23 13:02:38 EDT 2021
Enable _ISOC11_SOURCE See #789
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,7 @@
add_definitions(/D_CRT_SECURE_NO_WARNINGS)
else()
add_compile_options(-Wall -pedantic)
+ add_definitions(-D_POSIX_C_SOURCE=200809L -D_ISOC11_SOURCE)
if(SANITIZERS)
set(SAN_FLAGS -fsanitize=shift -fsanitize=integer-divide-by-zero
-fsanitize=unreachable -fsanitize=vla-bound
--- a/Makefile
+++ b/Makefile
@@ -35,8 +35,9 @@
# Overridable CFLAGS
CFLAGS ?= -O3 -flto -DNDEBUG
# Non-overridable CFLAGS
-REALCFLAGS := ${CFLAGS} ${WARNFLAGS} -std=gnu11 -D_POSIX_C_SOURCE=200809L \
- -Iinclude
+# _ISOC11_SOURCE is required on certain platforms to get C11 on top of the C99-based POSIX 2008
+REALCFLAGS := ${CFLAGS} ${WARNFLAGS} -std=gnu11 -I include \
+ -D_POSIX_C_SOURCE=200809L -D_ISOC11_SOURCE
# Overridable LDFLAGS
LDFLAGS ?=
# Non-overridable LDFLAGS