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include headers when we try to to find the symbols, since it might not be a variable...

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Love Hornquist Astrand
2009-09-19 18:04:30 -07:00
parent 3e2a2de537
commit 80504759c1
1 changed files with 2 additions and 1 deletions
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3
cf/check-var.m4
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@@ -9,7 +9,8 @@ m4_ifval([$2],[
void * foo(void) { return &$1; }]],[[foo()]])], void * foo(void) { return &$1; }]],[[foo()]])],
[ac_cv_var_$1=yes],[ac_cv_var_$1=no])]) [ac_cv_var_$1=yes],[ac_cv_var_$1=no])])
if test "$ac_cv_var_$1" != yes ; then if test "$ac_cv_var_$1" != yes ; then
AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $1; AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2
extern int $1;
int foo(void) { return $1; }]],[[foo()]])], int foo(void) { return $1; }]],[[foo()]])],
[ac_cv_var_$1=yes],[ac_cv_var_$1=no]) [ac_cv_var_$1=yes],[ac_cv_var_$1=no])
fi fi