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-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 34ef7a9..eee48ab 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ CCFLAGS_SLIBC_DEFS = -D_SLIBC_SOURCE=1 -D_GNU_SOURCE=1 -D_BSD_SOURCE=1 -D_SLIBC_
-D_POSIX_C_SOURCE=999999L -D_XOPEN_SOURCE=9999
# Flag that specifies which C dialect the library is written.
-CCFLAGS_CSTD = -std=c11
+CCFLAGS_CSTD = -std=gnu99
# Flags that specify where the system header files (that would in this case
# be this library's header files) are located.