configure.ac: Segregate checks by source language better.

[catacomb] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3c8cb37529f8f64dc2de16bc418760fa5804c48a..f5d004f00ad446013375c6c8cb6c3d7ad6904f09 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -130,15 +130,11 @@ case $CPUFAM in
   *) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
 esac
 
-dnl Some equipment wanted for checking CPU features at runtime.
-AC_CHECK_HEADERS([asm/hwcap.h])
-AC_CHECK_HEADERS([sys/auxv.h])
-AC_CHECK_HEADERS([linux/auxvec.h])
-AC_CHECK_FUNCS([getauxval])
-
 dnl--------------------------------------------------------------------------
 dnl C programming environment.
 
+AC_LANG([C])
+
 CATACOMB_LIBS=
 
 dnl Find out if we're cross-compiling.
@@ -162,6 +158,12 @@ AC_CHECK_HEADERS([stdint.h])
 AC_SUBST([have_stdint_h])
 AC_C_LONG_LONG
 
+dnl Some equipment wanted for checking CPU features at runtime.
+AC_CHECK_HEADERS([asm/hwcap.h])
+AC_CHECK_HEADERS([sys/auxv.h])
+AC_CHECK_HEADERS([linux/auxvec.h])
+AC_CHECK_FUNCS([getauxval])
+
 dnl Find the bit lengths of the obvious integer types.  This will be useful
 dnl when deciding on a representation for multiprecision integers.
 type_bits="" type_bits_sep=""
@@ -227,7 +229,7 @@ AC_CHECK_HEADERS([linux/random.h])
 mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
 AC_SEARCH_LIBS([clock_gettime], [rt])
 CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
-if test $ac_cv_search_clock_gettime != no; then
+if test "$ac_cv_search_clock_gettime" != no; then
   AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
            [Define if you have the \`clock_gettime' function.])
 fi