Fuse build fixes for FreeBSD #244
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Fix the following build failure on musl raised since version 6.0.0 and https://gitlab.com/qemu-project/qemu/-/commit/4ca37a96a75aafe7a37ba51ab1912b09b7190a6b because musl does not define FALLOC_FL_ZERO_RANGE: ../block/export/fuse.c: In function 'fuse_fallocate': ../block/export/fuse.c:563:23: error: 'FALLOC_FL_ZERO_RANGE' undeclared (first use in this function) 563 | } else if (mode & FALLOC_FL_ZERO_RANGE) { | ^~~~~~~~~~~~~~~~~~~~ Fixes: - http://autobuild.buildroot.org/results/b96e3d364fd1f8bbfb18904a742e73327d308f64 Signed-off-by: Fabrice Fontaine <[email protected]> Message-Id: <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Reviewed-by: Denis V. Lunev <[email protected]> Signed-off-by: Hanna Reitz <[email protected]> (cherry picked from commit 50482fda98bd62e072c30b7ea73c985c4e9d9bbb)
Include linux/falloc.h if CONFIG_FALLOCATE_ZERO_RANGE is defined to fix https://gitlab.com/qemu-project/qemu/-/commit/50482fda98bd62e072c30b7ea73c985c4e9d9bbb and avoid the following build failure on musl: ../block/export/fuse.c: In function 'fuse_fallocate': ../block/export/fuse.c:643:21: error: 'FALLOC_FL_ZERO_RANGE' undeclared (first use in this function) 643 | else if (mode & FALLOC_FL_ZERO_RANGE) { | ^~~~~~~~~~~~~~~~~~~~ Fixes: - http://autobuild.buildroot.org/results/be24433a429fda681fb66698160132c1c99bc53b Fixes: 50482fda98b ("block/export/fuse.c: fix musl build") Signed-off-by: Fabrice Fontaine <[email protected]> Message-Id: <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Signed-off-by: Kevin Wolf <[email protected]> (cherry picked from commit 304332039014679b809f606e2f227ee0fc43a451)
In order to safely maintain a mixture of #ifdef'ry with if-else-if ladder, rearrange the last statement (!mode) first. Since it is mutually exclusive with the other conditions, checking it first doesn't make any logical difference, but allows to add #ifdef'ry around in a more cleanly way. Suggested-by: Kevin Wolf <[email protected]> Signed-off-by: Philippe Mathieu-Daudé <[email protected]> Message-Id: <[email protected]> Signed-off-by: Kevin Wolf <[email protected]> (cherry picked from commit ac50419460cc45a66214e6d1c3e9d0d670522f8a)
When building on FreeBSD we get:
[816/6851] Compiling C object libblockdev.fa.p/block_export_fuse.c.o
../block/export/fuse.c:628:16: error: use of undeclared identifier 'FALLOC_FL_KEEP_SIZE'
if (mode & FALLOC_FL_KEEP_SIZE) {
^
../block/export/fuse.c:651:16: error: use of undeclared identifier 'FALLOC_FL_PUNCH_HOLE'
if (mode & FALLOC_FL_PUNCH_HOLE) {
^
../block/export/fuse.c:652:22: error: use of undeclared identifier 'FALLOC_FL_KEEP_SIZE'
if (!(mode & FALLOC_FL_KEEP_SIZE)) {
^
3 errors generated.
FAILED: libblockdev.fa.p/block_export_fuse.c.o
Meson indeed reported FALLOC_FL_PUNCH_HOLE is not available:
C compiler for the host machine: cc (clang 10.0.1 "FreeBSD clang version 10.0.1")
Checking for function "fallocate" : NO
Checking for function "posix_fallocate" : YES
Header <linux/falloc.h> has symbol "FALLOC_FL_PUNCH_HOLE" : NO
Header <linux/falloc.h> has symbol "FALLOC_FL_ZERO_RANGE" : NO
...
Similarly to commit 304332039 ("block/export/fuse.c: fix musl build"),
guard the code requiring FALLOC_FL_KEEP_SIZE / FALLOC_FL_PUNCH_HOLE
definitions under CONFIG_FALLOCATE_PUNCH_HOLE #ifdef'ry.
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
(cherry picked from commit 3c9c70347b8e636c08035f39288f8cdd2e68bbda)
|
Probably want to wait for Jenkins to decide it wants to live again :( |
jrtc27
approved these changes
Feb 1, 2024
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Backporting these fixes the build on my FreeBSD 14.0 desktop