diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-02-16 14:35:06 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-02-16 14:35:06 +0000 |
| commit | 2b1ba3251489f5e545aa8ea0798dbce0428617ce (patch) | |
| tree | c65702a1680d5b94fd6477f85225c9ce3afcdf85 /tool | |
| parent | 62916542b2c04df45ee153f0851cd811dbf02388 (diff) | |
ruby_check_va_copy.m4: for cross compiling
* tool/m4/ruby_check_va_copy.m4 (RUBY_CHECK_VA_COPY): use
AC_TRY_LINK instead of AC_TRY_RUN for cross compiling.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'tool')
| -rw-r--r-- | tool/m4/ruby_check_va_copy.m4 | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/tool/m4/ruby_check_va_copy.m4 b/tool/m4/ruby_check_va_copy.m4 index 4672d1852c..99d11b5fb9 100644 --- a/tool/m4/ruby_check_va_copy.m4 +++ b/tool/m4/ruby_check_va_copy.m4 @@ -1,11 +1,11 @@ # -*- Autoconf -*- AC_DEFUN([RUBY_CHECK_VA_COPY], [ - if test "x$rb_cv_va_copy" = x; then - AC_TRY_RUN( -[#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#define CONFTEST_VA_COPY(dst, src) $2 + AS_IF([test "x$rb_cv_va_copy" = x], [dnl + AC_TRY_LINK( +[@%:@include <stdlib.h> +@%:@include <stdarg.h> +@%:@include <string.h> +@%:@define CONFTEST_VA_COPY(dst, src) $2 void conftest(int n, ...) { @@ -19,16 +19,12 @@ conftest(int n, ...) for (i = 0; i < n; i++) if ((int)va_arg(ap, int) != n - i - 1) abort(); va_end(ap); va_end(ap2); -} -int -main() -{ - conftest(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); - exit(0); }], - rb_cv_va_copy="$1", - rb_cv_va_copy="", - rb_cv_va_copy="")dnl - fi +[ + conftest(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); +], + [rb_cv_va_copy="$1"], + [rb_cv_va_copy=""])dnl + ])dnl ])dnl dnl |