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conditionally disable -Wpointer-sign where supported

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ok beck@
This commit is contained in:
Brent Cook 2014-07-20 14:45:26 -05:00
parent 136ddd7a9b
commit f4d98ff1b2
1 changed files with 10 additions and 0 deletions
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10
configure.ac.tpl
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@ -44,6 +44,16 @@ AC_PROG_LIBTOOL
AC_PROG_CC_STDC AC_PROG_CC_STDC
AM_PROG_CC_C_O AM_PROG_CC_C_O
save_cflags="$CFLAGS"
CFLAGS=-Wno-pointer-sign
AC_MSG_CHECKING([whether CC supports -Wno-pointer-sign])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]
[AM_CFLAGS=-Wno-pointer-sign],
[AC_MSG_RESULT([no])]
)
CFLAGS="$save_cflags $AM_CFLAGS"
AC_CHECK_FUNC(strlcpy,[AC_SEARCH_LIBS(strlcpy,, [NO_STRLCPY=], AC_CHECK_FUNC(strlcpy,[AC_SEARCH_LIBS(strlcpy,, [NO_STRLCPY=],
[NO_STRLCPY=yes])], [NO_STRLCPY=yes]) [NO_STRLCPY=yes])], [NO_STRLCPY=yes])
AC_SUBST(NO_STRLCPY) AC_SUBST(NO_STRLCPY)