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configure.in: AC_CHECK_HEADERS

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* configure.in (crt_externs.h): use standard macro AC_CHECK_HEADERS.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2012-12-29 01:10:41 +00:00
parent af35f2a61d
commit 2eb92b143a
2 changed files with 5 additions and 6 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sat Dec 29 10:10:39 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (crt_externs.h): use standard macro AC_CHECK_HEADERS.
Fri Dec 28 23:12:44 2012 Charlie Somerville <charlie@charliesomerville.com> Fri Dec 28 23:12:44 2012 Charlie Somerville <charlie@charliesomerville.com>
* configure.in: check for the whether crt_externs.h is present when compiling * configure.in: check for the whether crt_externs.h is present when compiling

7
configure.in
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@ -1220,12 +1220,7 @@ main()
LINK_SO="$LINK_SO LINK_SO="$LINK_SO
$POSTLINK" $POSTLINK"
fi fi
AC_CACHE_CHECK(whether crt_externs.h is present for extern macro, rb_cv_crt_externs, AC_CHECK_HEADERS(crt_externs.h)
[AC_TRY_COMPILE([ #include <crt_externs.h> ], [return 0;],
rb_cv_crt_externs=yes, rb_cv_crt_externs=no)])
if test "$rb_cv_crt_externs" = yes; then
AC_DEFINE(HAVE_CRT_EXTERNS_H)
fi
], ],
[hpux*], [ LIBS="-lm $LIBS" [hpux*], [ LIBS="-lm $LIBS"
ac_cv_c_inline=no], ac_cv_c_inline=no],