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-rw-r--r--Makefile7
1 files changed, 7 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 4128b457e1..08aa57f1db 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,9 @@ all::
# when attempting to read from an fopen'ed directory (or even to fopen
# it at all).
#
+# Define OPEN_RETURNS_EINTR if your open() system call may return EINTR
+# when a signal is received (as opposed to restarting).
+#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
#
# Define USE_LIBPCRE if you have and want to use libpcre. Various
@@ -1551,6 +1554,10 @@ ifdef FREAD_READS_DIRECTORIES
COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
COMPAT_OBJS += compat/fopen.o
endif
+ifdef OPEN_RETURNS_EINTR
+ COMPAT_CFLAGS += -DOPEN_RETURNS_EINTR
+ COMPAT_OBJS += compat/open.o
+endif
ifdef NO_SYMLINK_HEAD
BASIC_CFLAGS += -DNO_SYMLINK_HEAD
endif