diff options
Diffstat (limited to 'gcc/aclocal.m4')
| -rw-r--r-- | gcc/aclocal.m4 | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4 index 4228504ee65..2c1554bb950 100644 --- a/gcc/aclocal.m4 +++ b/gcc/aclocal.m4 @@ -163,36 +163,6 @@ fi AC_SUBST(LN)dnl ]) -dnl See whether the stage1 host compiler accepts the volatile keyword. -AC_DEFUN(gcc_AC_C_VOLATILE, -[AC_CACHE_CHECK([for volatile], gcc_cv_c_volatile, -[AC_TRY_COMPILE(, [volatile int foo;], - gcc_cv_c_volatile=yes, gcc_cv_c_volatile=no)]) -if test $gcc_cv_c_volatile = yes ; then - AC_DEFINE(HAVE_VOLATILE, 1, [Define if your compiler understands volatile.]) -fi -]) - -dnl Check whether long double is supported. This differs from the -dnl built-in autoconf test in that it works for cross compiles. -AC_DEFUN(gcc_AC_C_LONG_DOUBLE, -[AC_CACHE_CHECK(for long double, gcc_cv_c_long_double, -[if test "$GCC" = yes; then - gcc_cv_c_long_double=yes -else -AC_TRY_COMPILE(, -[/* The Stardent Vistra knows sizeof(long double), but does not support it. */ -long double foo = 0.0; -/* On Ultrix 4.3 cc, long double is 4 and double is 8. */ -switch (0) case 0: case (sizeof(long double) >= sizeof(double)):;], -gcc_cv_c_long_double=yes, gcc_cv_c_long_double=no) -fi]) -if test $gcc_cv_c_long_double = yes; then - AC_DEFINE(HAVE_LONG_DOUBLE, 1, - [Define if your compiler supports the \`long double' type.]) -fi -]) - dnl Check whether _Bool is built-in. AC_DEFUN(gcc_AC_C__BOOL, [AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool, |