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Restore build on x86_64-w64-mingw32.

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gold/
	PR gold/23594
	* configure.ac: Add checks for link, mkdtemp.
	* configure: Regenerate.
	* config.in: Regenerate.
	* plugin.cc (Plugin_recorder::init): Fall back to mktemp
	if mkdtemp is not available.
	(link_or_copy_file): Fall back to copy if link() is not available.
This commit is contained in:
Alexey Neyman 2018-12-03 23:50:48 -08:00 • committed by Cary Coutant
parent 314a80c41d
commit f4238194a2
5 changed files with 34 additions and 4 deletions
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10
gold/ChangeLog
View file

@ -1,3 +1,13 @@
2018-12-03 Alexey Neyman <stilor@att.net>
PR gold/23594
* configure.ac: Add checks for link, mkdtemp.
* configure: Regenerate.
* config.in: Regenerate.
* plugin.cc (Plugin_recorder::init): Fall back to mktemp
if mkdtemp is not available.
(link_or_copy_file): Fall back to copy if link() is not available.
2018-12-02 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/23919

6
gold/config.in
View file

@ -103,6 +103,9 @@
/* Define if your <locale.h> file defines LC_MESSAGES. */
#undef HAVE_LC_MESSAGES
/* Define to 1 if you have the `link' function. */
#undef HAVE_LINK
/* Define to 1 if you have the <locale.h> header file. */
#undef HAVE_LOCALE_H
@ -112,6 +115,9 @@
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `mkdtemp' function. */
#undef HAVE_MKDTEMP
/* Define to 1 if you have the `mmap' function. */
#undef HAVE_MMAP

4
gold/configure vendored
View file

@ -7977,7 +7977,7 @@ fi
done
for ac_func in chsize mmap
for ac_func in chsize mmap link
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@ -9866,7 +9866,7 @@ case "$ac_cv_search_dlopen" in
esac
for ac_func in mallinfo posix_fallocate fallocate readv sysconf times
for ac_func in mallinfo posix_fallocate fallocate readv sysconf times mkdtemp
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"

4
gold/configure.ac
View file

@ -529,7 +529,7 @@ LFS_CFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
AC_SUBST(LFS_CFLAGS)
AC_CHECK_HEADERS(sys/mman.h)
AC_CHECK_FUNCS(chsize mmap)
AC_CHECK_FUNCS(chsize mmap link)
AC_REPLACE_FUNCS(pread ftruncate ffsll)
AC_CACHE_CHECK([mremap with MREMAP_MAYMOVE], [gold_cv_lib_mremap_maymove],
@ -613,7 +613,7 @@ case "$ac_cv_search_dlopen" in
esac
AC_SUBST(DLOPEN_LIBS)
AC_CHECK_FUNCS(mallinfo posix_fallocate fallocate readv sysconf times)
AC_CHECK_FUNCS(mallinfo posix_fallocate fallocate readv sysconf times mkdtemp)
AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp, strndup, memmem])
# Use of ::std::tr1::unordered_map::rehash causes undefined symbols

14
gold/plugin.cc
View file

@ -508,8 +508,20 @@ Plugin_recorder::init()
// Create a temporary directory where we can stash the log and
// copies of replacement files.
char dir_template[] = "gold-recording-XXXXXX";
#ifdef HAVE_MKDTEMP
if (mkdtemp(dir_template) == NULL)
return false;
#else
if (mktemp(dir_template) == NULL)
return false;
#if defined (_WIN32) && !defined (__CYGWIN32__)
if (mkdir(dir_template) != 0)
return false;
#else
if (mkdir(dir_template, 0700) != 0)
return false;
#endif
#endif
size_t len = strlen(dir_template) + 1;
char* tempdir = new char[len];
@ -562,8 +574,10 @@ link_or_copy_file(const char* inname, const char* outname)
{
static char buf[4096];
#ifdef HAVE_LINK
if (::link(inname, outname) == 0)
return true;
#endif
int in = ::open(inname, O_RDONLY);
if (in < 0)