[libvirt] [PATCH] build: avoid strerror_r pitfalls

docs: document recently fixed glibc printf bug closein-tests: convert to init.sh yesno-tests: convert to init.sh atexit-tests: ensure reliable exit status strerror_r-posix: Respect rules for use of AC_LIBOBJ. strerror_r: fix missing header strerror_r: fix AIX test failures strerror_r: fix Solaris test failures strerror_r: enforce POSIX recommendations test-perror2.c: avoid warning about unused variable perror: avoid spurious test failure on HP-UX tests: fix logic bug in init.sh utimensat: do not reference an out-of-scope buffer opendir-safer.c: don't clobber errno; don't close negative FD update from texinfo Fix recent ChangeLog entry. idcache: Fix module description. gnulib-tool: fix portability problem with MacOS sed hash: Simplify autoconf macro. getugroups: Fix module description. linkat: Simplify autoconf macro. linkat, renameat: Update dependencies. maint.mk: more tight_scope improvements maint.mk: generalize/improve the tight-scope rule verify: fix bug when gnulib <assert.h> is also included * doc/intprops.texi: fix typo in copyright date xgetcwd: Simplify autoconf macro. New module 'mktime-internal'. timegm: Correct mktime replacement statements. timegm: Simplify autoconf macro. clock-time: change to LGPLv2+. strerror_r: Fix comments. relocatable-prog-wrapper: Fix possible link error. relocatable-prog-wrapper: Assume strerror() exists. select: Simplify replacement idiom. mkdir-p: Simplify autoconf macro. Fix some mistakes in ChangeLog entries. strerror_r: avoid clobbering strerror on cygwin mkdtemp: Use gnulib naming conventions. strerror_r: avoid corrupting errno on Solaris strerror_r: avoid compiler warning strerror_r: simplify AIX code. test-perror: avoid spurious failure on FreeBSD strerror_r-posix: Remove unused dependencies. intprops: remove assumption about A|B representation perror: work around FreeBSD bug test-perror: check for strerror interactions test-perror: rewrite to use init script maint: replace misused "a" with "an" maint: correct misuse of "a" and "an" intprops-tests: work around HP-UX 11.23 cc bug with constants intprops: work around IRIX 6.5 cc bug with 0u - 0u + -1 intprops-tests: revert unsigned part of previous change strerror_r: Work around strerror_r() change in Cygwin 1.7.8. strerror_r: guarantee unchanged errno strerror_r: Reorder #if blocks. perror: Avoid clobbering the strerror buffer when possible. strerror_r: fix on newer cygwin strerror_r: Avoid clobbering the strerror buffer when possible. strerror_r: Fix test failure on mingw. strerror: relax test for Solaris strerror: enforce POSIX ruling on strerror(0) intprop-tests: port to older and more-pedantic compilers intprops: work around C compiler bugs intprops: TYPE_IS_INTEGER, TYPE_SIGNED not integer constant exprs strerror_r: Avoid clobbering the strerror buffer when possible. fnmatch: avoid compiler warning