• Paul Eggert's avatar
    Make 'configure' a bit smaller and faster. · 0e7a053e
    Paul Eggert authored
    * configure.in (INSTALL_INFO): Set it with one call to
    AC_PATH_PROG, not three.
    (PKG_CONFIG): Hoist this out of PKG_CHECK_MODULES, since it's
    so likely that it'll be needed.
    (AC_CHECK_HEADERS_ONCE): Prefer to AC_CHECK_HEADERS where either works.
    (AC_PROG_MAKE_SET): Remove; Automake does this.
    (sysinfo): Do not check for this function, as it's never used.
    (tzset): Check for this function just once.
    * admin/CPP-DEFINES: Remove HAVE_SYSINFO.
    * m4/manywarnings.m4: Sync from gnulib, incorporating the following:
    2012-05-27 manywarnings: remove duplicate -Wmultichar entry
configure.in 124 KB