mirror of
https://github.com/ruby/ruby.git
synced 2025-08-23 21:14:23 +02:00
24 lines
637 B
Text
24 lines
637 B
Text
dnl -*- Autoconf -*-
|
|
dnl
|
|
dnl Autoconf 2.67 fails to detect `-Werror=old-style-definition` due
|
|
dnl to the old style definition of `main`.
|
|
m4_version_prereq([2.70], [], [
|
|
m4_defun([AC_LANG_PROGRAM(C)], m4_bpatsubst(m4_defn([AC_LANG_PROGRAM(C)]), [main ()], [main (void)]))
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN([_RUBY_TRY_CFLAGS], [
|
|
RUBY_WERROR_FLAG([
|
|
CFLAGS="[$]CFLAGS $1"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$4]], [[$5]])],
|
|
[$2], [$3])
|
|
])dnl
|
|
])dnl
|
|
AC_DEFUN([RUBY_TRY_CFLAGS], [
|
|
AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS])dnl
|
|
_RUBY_TRY_CFLAGS([$1],
|
|
[$2
|
|
AC_MSG_RESULT(yes)],
|
|
[$3
|
|
AC_MSG_RESULT(no)],
|
|
[$4], [$5])
|
|
])dnl
|