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| author | Eric Blake <eblake@redhat.com> | 2011-01-24 11:07:51 -0700 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2012-03-20 13:33:04 -0600 |
| commit | 89bf03c9a1b11b75d7c9e44593493017bf8a3b99 (patch) | |
| tree | 80fd75ebc78d1dc5ffe15e9f80f020e9a4902b40 | |
| parent | 56673dbe8af479419f4df56fc8b883fb08012604 (diff) | |
| download | coreutils-89bf03c9a1b11b75d7c9e44593493017bf8a3b99.tar.xz | |
build: speed up configure for releases
Since most users won't be building with GNULIB_POSIXCHECK defined in
CFLAGS, and since we can make ./configure 10% (several seconds!) faster
by omitting the framework for a posix check, this patch makes it so
that the framework is omitted by default, while still giving
instructions for maintainers to re-enable it.
It's been a while since we've used GNULIB_POSIXCHECK; see this email:
https://lists.gnu.org/archive/html/coreutils/2012-03/msg00126.html
Some of those failures are because we are intentionally avoiding
specific gnulib modules (that is, we have chosen not to use things
like fprintf-posix), but until we work with gnulib to avoid particular
warnings, wiring up an automatic GNULIB_POSIXCHECK to happen during
'make my-distcheck' is not feasible.
* configure.ac (gl_ASSERT_NO_GNULIB_POSIXCHECK): Conditionally
define, according to whether $GNULIB_POSIXCHECK is in environment.
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 07597e68b..5a4860e7b 100644 --- a/configure.ac +++ b/configure.ac @@ -35,6 +35,20 @@ AC_CONFIG_HEADERS([lib/config.h:lib/config.hin]) AM_INIT_AUTOMAKE([1.11.1 no-dist-gzip dist-xz color-tests parallel-tests]) AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. +dnl POSIXCHECK is worthwhile for maintainers, but adds several seconds +dnl (more than 10% execution time) to ./configure, with no benefit for +dnl most users. Using it to look for bugs requires: +dnl GNULIB_POSIXCHECK=1 autoreconf -f +dnl ./configure +dnl make +dnl make -C src clean +dnl make CFLAGS=-DGNULIB_POSIXCHECK=1 +dnl FIXME: Once we figure out how to avoid false positives, we should +dnl have 'make my-distcheck' in dist-check.mk exercise this. +m4_syscmd([test "${GNULIB_POSIXCHECK+set}" = set]) +m4_if(m4_sysval, [0], [], [dnl +gl_ASSERT_NO_GNULIB_POSIXCHECK]) + AC_PROG_CC_STDC AM_PROG_CC_C_O AC_PROG_CPP |