diff options
| author | Ludovic Courtès <ludo@gnu.org> | 2014-01-25 17:07:21 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2014-01-25 17:07:21 +0100 |
| commit | 200a97e64f29dc904961e99bcbc0f20fef431dd2 (patch) | |
| tree | 4b8d5c809925320e74efb8c9657037ee6f00d718 /m4/guix.m4 | |
| parent | fcaa7523d4f37d5b3c4bf459784e826f98252fe8 (diff) | |
| parent | 1909431c5b6413c496eb93d3d74be3e3e936951b (diff) | |
| download | guix-200a97e64f29dc904961e99bcbc0f20fef431dd2.tar.gz | |
Merge branch 'master' into core-updates
Diffstat (limited to 'm4/guix.m4')
| -rw-r--r-- | m4/guix.m4 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4 index a98378db79..19e041a72c 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -1,5 +1,5 @@ dnl GNU Guix --- Functional package management for GNU -dnl Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org> +dnl Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> dnl dnl This file is part of GNU Guix. dnl @@ -134,3 +134,20 @@ AC_DEFUN([GUIX_CHECK_SRFI_37], [ ac_cv_guix_srfi_37_broken=yes fi]) ]) + +dnl GUIX_CHECK_UNBUFFERED_CBIP +dnl +dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is +dnl the case starting with Guile 2.0.10. +AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [ + AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'], + [ac_cv_guix_cbips_support_setvbuf], + [if "$GUILE" -c "(use-modules (rnrs io ports)) \ + (let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \ + (setvbuf p _IONBF))" >&5 2>&1 + then + ac_cv_guix_cbips_support_setvbuf=yes + else + ac_cv_guix_cbips_support_setvbuf=no + fi]) +]) |