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maint: port to Autoconf 2.71

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* configure.ac: Use AC_PROG_CC, not AC_PROG_CC_STDC.
* gl/modules/smack (configure.ac):
* m4/jm-macros.m4 (coreutils_MACROS):
* m4/xattr.m4 (gl_FUNC_XATTR):
Use AS_HELP_STRING, not AC_HELP_STRING.
* m4/check-decl.m4 (gl_CHECK_DECLS):
Do not require AC_HEADER_TIME; we no longer care about it directly.
* m4/jm-macros.m4 (coreutils_MACROS):
Do not require AC_ISC_POSIX, which became obsolete in 2006.
Use AC_LINK_IFELSE instead of AC_TRY_LINK.
This commit is contained in:
Paul Eggert
2021-04-26 23:27:59 -07:00
parent 8527942835
commit 62a7ce5f50
5 changed files with 35 additions and 31 deletions
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2
gl/modules/smack
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@@ -10,7 +10,7 @@ configure.ac:
# Check whether libsmack is available
LIB_SMACK=
AC_ARG_ENABLE([libsmack],
AC_HELP_STRING([--disable-libsmack], [disable libsmack support]))
AS_HELP_STRING([--disable-libsmack], [disable libsmack support]))
if test "X$enable_libsmack" != "Xno"; then
AC_CHECK_LIB([smack], [smack_new_label_from_self],
[AC_CHECK_LIB([smack], [smack_new_label_from_path],