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| author | Karel Zak | 2019-07-15 15:31:40 +0200 |
|---|---|---|
| committer | Karel Zak | 2019-07-15 15:31:40 +0200 |
| commit | c7eca69d6d89262c71b6d412f6b3a469fad07d7d (patch) | |
| tree | 6a13b250c0d249940696b930968a55891af321c8 | |
| parent | hwclock: use CMOS clock only if available (diff) | |
| download | kernel-qcow2-util-linux-c7eca69d6d89262c71b6d412f6b3a469fad07d7d.tar.gz kernel-qcow2-util-linux-c7eca69d6d89262c71b6d412f6b3a469fad07d7d.tar.xz kernel-qcow2-util-linux-c7eca69d6d89262c71b6d412f6b3a469fad07d7d.zip | |
build-sys: add UL_REQUIRES_ARCH()
Signed-off-by: Karel Zak <kzak@redhat.com>
| -rw-r--r-- | m4/ul.m4 | 42 |
1 files changed, 41 insertions, 1 deletions
@@ -208,6 +208,46 @@ AC_DEFUN([UL_EXCLUDE_ARCH], [ fi ]) + + +dnl UL_REQUIRES_ARCH(NAME, ARCH, [VARSUFFIX = $1]) +dnl +dnl Modifies $build_<name> variable according to $enable_<name> and $host. The +dnl $enable_<name> could be "yes", "no" and "check". If build_<name> is "no" then +dnl all checks are skiped. +dnl +dnl The <arch> maybe a list, then at least one of the patterns in the list +dnl have to match. +dnl +dnl The default <name> for $build_ and $enable_ could be overwrited by option $3. +dnl +AC_DEFUN([UL_REQUIRES_ARCH], [ + m4_define([suffix], m4_default([$3],$1)) + if test "x$[build_]suffix" != xno; then + AC_REQUIRE([AC_CANONICAL_HOST]) + [ul_archone_]suffix=no + m4_foreach([onearch], [$2], [ + case "$host" in #( + onearch) + [ul_archone_]suffix=yes ;; + esac + ])dnl + case $[enable_]suffix:$[ul_archone_]suffix in #( + no:*) + [build_]suffix=no ;; + yes:no) + AC_MSG_ERROR([$1 selected for unsupported architecture]);; + yes:*) + [build_]suffix=yes ;; + check:no) + AC_MSG_WARN([excluded for $host architecture; not building $1]) + [build_]suffix=no ;; + check:*) + [build_]suffix=yes ;; + esac + fi +]) + dnl UL_REQUIRES_HAVE(NAME, HAVENAME, HAVEDESC, [VARSUFFIX=$1]) dnl dnl Modifies $build_<name> variable according to $enable_<name> and @@ -248,7 +288,7 @@ AC_DEFUN([UL_REQUIRES_HAVE], [ fi ]) -dnl UL_REQUIRES_HAVE(NAME, PROGRAM_PROLOGUE, PROGRAM_BODY, DESC, [VARSUFFIX=$1]) +dnl UL_REQUIRES_COMPILE(NAME, PROGRAM_PROLOGUE, PROGRAM_BODY, DESC, [VARSUFFIX=$1]) dnl dnl Modifies $build_<name> variable according to $enable_<name> and dnl ability compile AC_LANG_PROGRAM(<program_prologue>, <program_body>). |