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Require C99 to build Guile.

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* configure.ac: Require C99 or later.  Emacs does, therefore so can
  we.  Note that by default GCC compiles in "gnu11" mode these days, and
  this declaration doesn't change that.
This commit is contained in:
Andy Wingo 2016-08-31 11:55:26 +02:00
parent b9b235243e
commit 9996695f88
1 changed files with 2 additions and 1 deletions
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3
configure.ac
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@ -83,7 +83,8 @@ AC_DEFINE([GNULIB_LOCK], [1],
[Define to allow Gnulib modules to use Guile's locks.])
AC_PROG_CC_C89
dnl Guile needs C99 or later.
gl_PROG_CC_C99
# for per-target cflags in the libguile subdir
AM_PROG_CC_C_O