ruby--ruby/tool/m4/ruby_try_cxxflags.m4

dnl -*- Autoconf -*-
AC_DEFUN([RUBY_TRY_CXXFLAGS], [
    save_CXXFLAGS="$CXXFLAGS"
    CXXFLAGS="[$]CXXFLAGS $1"
    AC_MSG_CHECKING([whether ]$1[ is accepted as CXXFLAGS])
    RUBY_WERROR_FLAG([
    AC_LANG_PUSH([C++])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[$4]], [[$5]])],
	[$2
	AC_MSG_RESULT(yes)],
	[$3
	AC_MSG_RESULT(no)])
    ])
    AC_LANG_POP([C++])
    CXXFLAGS="$save_CXXFLAGS"
    save_CXXFLAGS=
])dnl
Remove comments in tool/m4 from the generated configure 2021-04-17 06:14:21 -04:00			`dnl -- Autoconf --`
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h 2020-04-08 00:28:13 -04:00			`AC_DEFUN([RUBY_TRY_CXXFLAGS], [`
			`save_CXXFLAGS="$CXXFLAGS"`
			`CXXFLAGS="[$]CXXFLAGS $1"`
			`AC_MSG_CHECKING([whether ]$1[ is accepted as CXXFLAGS])`
			`RUBY_WERROR_FLAG([`
			`AC_LANG_PUSH([C++])`
Update for autoconf 2.70 2020-12-12 08:55:09 -05:00			`AC_LINK_IFELSE([AC_LANG_PROGRAM([[$4]], [[$5]])],`
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h 2020-04-08 00:28:13 -04:00			`[$2`
			`AC_MSG_RESULT(yes)],`
			`[$3`
			`AC_MSG_RESULT(no)])`
			`])`
			`AC_LANG_POP([C++])`
			`CXXFLAGS="$save_CXXFLAGS"`
			`save_CXXFLAGS=`
			`])dnl`