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Heed and remove warning issued by autoconf 2.68. 

Starting in autoconf 2.68, "the macros AC_PREPROC_IFELSE,
AC_COMPILE_IFELSE, AC_LINK_IFELSE, and AC_RUN_IFELSE now warn if the
first argument failed to use AC_LANG_SOURCE or AC_LANG_PROGRAM to
generate the conftest file contents."
This commit is contained in:
Jared Casper 2010-10-08 22:02:45 -07:00 committed by Stephen Williams
parent f7ce0f3b79
commit 93f84535b3
1 changed files with 1 additions and 1 deletions
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2
aclocal.m4 vendored
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@ -26,7 +26,7 @@ AC_SUBST(install_suffix)
# - the object file produced by AC_COMPILE_IFELSE is called "conftest.$ac_objext"
# - the nm(1) utility is available, and its name is "nm".
AC_DEFUN([_AX_C_UNDERSCORES_MATCH_IF],
[AC_COMPILE_IFELSE([void underscore(void){}],
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([void underscore(void){}])],
[AS_IF([nm conftest.$ac_objext|grep $1 >/dev/null 2>/dev/null],[$2],[$3])],
[AC_MSG_ERROR([underscore test crashed])]
)])