AC_CACHE_CHECK([whether dietlibc supports C99], [ensc_cv_c_dietlibc_c99],
[
- old_CFLAGS=$CFLAGS
- old_CC=$CC
+ _ensc_dietlibc_c99_old_CFLAGS=$CFLAGS
+ _ensc_dietlibc_c99_old_CC=$CC
CFLAGS="-std=c99"
CC="${DIET:-diet} $CC"
[ensc_cv_c_dietlibc_c99='skipped (compiler does not support C99)'])
AC_LANG_POP
- CC=$old_CC
- CFLAGS=$old_CFLAGS
+ CC=$_ensc_dietlibc_c99_old_CC
+ CFLAGS=$_ensc_dietlibc_c99_old_CFLAGS
])
if test x"$ensc_cv_c_dietlibc_c99" = xyes; then