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The openscap build can fail with the following error:
In file included from [...]/src/OVAL/probes/unix/linux/systemdunitproperty_probe.c:38:
[...]/src/OVAL/probes/unix/linux/systemdshared.h: In function ‘get_all_systemd_units’:
[...]/src/OVAL/probes/unix/linux/systemdshared.h:188:50: error: implicit declaration of function ‘basename’; did you mean ‘rename’? [-Wimplicit-function-declaration]
188 | char *unit_name_s = oscap_strdup(basename(value.str));
| ^~~~~~~~
| rename
In file included from [...]/src/OVAL/probes/unix/linux/systemdunitdependency_probe.c:37:
[...]/src/OVAL/probes/unix/linux/systemdshared.h: In function ‘get_all_systemd_units’:
[...]/src/OVAL/probes/unix/linux/systemdshared.h:188:50: error: implicit declaration of function ‘basename’; did you mean ‘rename’? [-Wimplicit-function-declaration]
188 | char *unit_name_s = oscap_strdup(basename(value.str));
| ^~~~~~~~
| rename
This error happens when:
- dbus is enabled in the configuration, making openscap build probes
code
- the toolchain uses musl, which does not declare basename() in string.h
the way glibc does
The build error can be reproduced with the following minimal defconfig:
BR2_arm=y
BR2_cortex_a9=y
BR2_ARM_ENABLE_NEON=y
BR2_ARM_ENABLE_VFP=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV7_EABIHF_MUSL_BLEEDING_EDGE=y
BR2_PACKAGE_DBUS=y
BR2_PACKAGE_OPENSCAP=y
Backport the upstream fix to allow openscap to build with such
configuration. The custom patch can be removed once openscap is
re-released on its branch 1.3.x.
The issue affects master, 2026.05.x and 2025.02.x
Fixes: https://autobuild.buildroot.org/results/a874d4f34d36fa9f8566be90ad2d5facb99aec24/
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at https://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches