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[PATCH] cygwin: add LFS_CFLAGS etc. to confstr/getconf
- From: Yaakov Selkowitz <yselkowi at redhat dot com>
- To: cygwin-patches at cygwin dot com
- Date: Mon, 15 Jan 2018 21:19:00 -0600
- Subject: [PATCH] cygwin: add LFS_CFLAGS etc. to confstr/getconf
- Authentication-results: sourceware.org; auth=none
These are used, for instance, when cross-compiling the Linux kernel.
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
---
newlib/libc/include/sys/unistd.h | 4 ++++
winsup/cygwin/sysconf.cc | 6 +++++-
winsup/utils/getconf.c | 4 ++++
3 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index f216fb95c..5386bd49d 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -582,6 +582,10 @@ int unlinkat (int, const char *, int);
#define _CS_POSIX_V7_THREADS_LDFLAGS 19
#define _CS_V7_ENV 20
#define _CS_V6_ENV _CS_V7_ENV
+#define _CS_LFS_CFLAGS 21
+#define _CS_LFS_LDFLAGS 22
+#define _CS_LFS_LIBS 23
+#define _CS_LFS_LINTFLAGS 24
#endif
#ifdef __cplusplus
diff --git a/winsup/cygwin/sysconf.cc b/winsup/cygwin/sysconf.cc
index ecd9aeb93..9563b889a 100644
--- a/winsup/cygwin/sysconf.cc
+++ b/winsup/cygwin/sysconf.cc
@@ -719,10 +719,14 @@ static struct
{ls ("")}, /* _CS_POSIX_V7_THREADS_CFLAGS */
{ls ("")}, /* _CS_POSIX_V7_THREADS_LDFLAGS */
{ls ("POSIXLY_CORRECT=1")}, /* _CS_V7_ENV */
+ {ls ("")}, /* _CS_LFS_CFLAGS */
+ {ls ("")}, /* _CS_LFS_LDFLAGS */
+ {ls ("")}, /* _CS_LFS_LIBS */
+ {ls ("")}, /* _CS_LFS_LINTFLAGS */
};
#define CS_MIN _CS_PATH
-#define CS_MAX _CS_V7_ENV
+#define CS_MAX _CS_LFS_LINTFLAGS
extern "C" size_t
confstr (int in, char *buf, size_t len)
diff --git a/winsup/utils/getconf.c b/winsup/utils/getconf.c
index 256bddb1a..5ac84abd2 100644
--- a/winsup/utils/getconf.c
+++ b/winsup/utils/getconf.c
@@ -97,6 +97,10 @@ static const struct conf_variable conf_table[] =
{ "XBS5_WIDTH_RESTRICTED_ENVS", CONFSTR, _CS_XBS5_WIDTH_RESTRICTED_ENVS },
{ "V7_ENV", CONFSTR, _CS_V7_ENV },
{ "V6_ENV", CONFSTR, _CS_V6_ENV },
+ { "LFS_CFLAGS", CONFSTR, _CS_LFS_CFLAGS },
+ { "LFS_LDFLAGS", CONFSTR, _CS_LFS_LDFLAGS },
+ { "LFS_LIBS", CONFSTR, _CS_LFS_LIBS },
+ { "LFS_LINTFLAGS", CONFSTR, _CS_LFS_LINTFLAGS },
/* Symbolic constants from <limits.h> */
{ "_POSIX_AIO_LISTIO_MAX", CONSTANT, _POSIX_AIO_LISTIO_MAX },
--
2.15.1