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cygwin: add LFS_CFLAGS etc. to confstr/getconf

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These are used, for instance, when cross-compiling the Linux kernel.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2018-01-15 21:15:28 -06:00
parent 1d01586b62
commit 2cb24159fb
3 changed files with 13 additions and 1 deletions
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4
newlib/libc/include/sys/unistd.h
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@ -582,6 +582,10 @@ int _EXFUN(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

6
winsup/cygwin/sysconf.cc
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@ -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)

4
winsup/utils/getconf.c
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@ -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 },