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Require C99 to build Guile

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* configure.ac: Refactor check to require C99, not just try to get C99.
This commit is contained in:
Andy Wingo 2018-06-17 20:51:27 +02:00
parent 63e5eafd83
commit 08fd826d0c
1 changed files with 5 additions and 4 deletions
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9
configure.ac
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@ -74,7 +74,11 @@ if test "$GCC" = yes; then
AC_MSG_RESULT([-std=gnu11]) AC_MSG_RESULT([-std=gnu11])
CC="$CC -std=gnu11" CC="$CC -std=gnu11"
else else
AC_MSG_RESULT([assuming $CC supports C11 by default]) dnl Guile requires C99 or later.
AC_PROG_CC_C99
if test "$ac_cv_prog_cc_c99" = "xno"; then
AC_MSG_ERROR([Support for C99 required but not found.])
fi
fi fi
gl_EARLY gl_EARLY
@ -94,9 +98,6 @@ AC_DEFINE([GNULIB_LOCK], [1],
[Define to allow Gnulib modules to use Guile's locks.]) [Define to allow Gnulib modules to use Guile's locks.])
dnl Guile needs C99 or later.
gl_PROG_CC_C99
# for per-target cflags in the libguile subdir # for per-target cflags in the libguile subdir
AM_PROG_CC_C_O AM_PROG_CC_C_O