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package/sane-airscan: needs BR2_TOOLCHAIN_HAS_SYNC_4

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Fixes a build error

output/per-package/sane-airscan/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/14.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld:
 libsane-airscan.so.1.p/airscan-http.c.o: in function `http_data_ref':
airscan-http.c:(.text+0x1c88): undefined reference to `__sync_fetch_and_add_4'
output/per-package/sane-airscan/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/14.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld:
 libsane-airscan.so.1.p/airscan-http.c.o: in function `http_data_unref':
airscan-http.c:(.text+0x1cd0): undefined reference to `__sync_sub_and_fetch_4'
output/per-package/sane-airscan/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/14.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld:
 libsane-airscan.so.1.p/airscan-trace.c.o: in function `trace_ref':
airscan-trace.c:(.text+0x32c): undefined reference to `__sync_fetch_and_add_4'
output/per-package/sane-airscan/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/14.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld:
 libsane-airscan.so.1.p/airscan-trace.c.o: in function `trace_unref':
airscan-trace.c:(.text+0x358): undefined reference to `__sync_sub_and_fetch_4'

with this defconfig

BR2_sparc=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_SPARCV8_UCLIBC_STABLE=y
BR2_PACKAGE_SANE_AIRSCAN=y

detected by the Gitlab pipelines while testing to bump of sane-backends
to 1.4.0 in this series.

The build error is caused by an upstream commit added in 2020 to version
0.99.14:
fccd8402a6
so a backport to LTS branches should be considered because the initial
version of the buildroot package was 0.99.33, added with commit
f78280bf26.

An autobuilder error was not recorded yet because it is masked by various
build errors of the sane-backends package which are resolved by its bump
to 1.4.0 in this series.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Arnout Vandecappelle <arnout@rnout.be>
This commit is contained in:
Bernd Kuhls
2026-05-31 16:38:19 +02:00
committed by Arnout Vandecappelle
parent 66544e0e48
commit b71b14793a
1 changed files with 2 additions and 0 deletions
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2
package/sane-airscan/Config.in
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@@ -2,6 +2,7 @@ config BR2_PACKAGE_SANE_AIRSCAN
bool "sane-airscan"
depends on BR2_INSTALL_LIBSTDCPP
depends on !BR2_STATIC_LIBS # avahi, gnutls, sane-backends
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on BR2_TOOLCHAIN_HAS_THREADS # avahi, dbus
depends on BR2_USE_WCHAR # avahi, gnutls
depends on BR2_USE_MMU # dbus, sane-backends
@@ -26,5 +27,6 @@ config BR2_PACKAGE_SANE_AIRSCAN
comment "sane-airscan needs a toolchain w/ wchar, dynamic library, threads, C++"
depends on BR2_USE_MMU
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS || \
!BR2_TOOLCHAIN_HAS_THREADS || !BR2_INSTALL_LIBSTDCPP