[OS-BUILD PATCHv5 2/2] redhat/spec: use distro CFLAGS when building bootstrap bpftool

[Artem Savkov (via Email Bridge)]

From: Artem Savkov

redhat/spec: use distro CFLAGS when building bootstrap bpftool

Use distro HOST{CFLAGS,LDFLAGS} when building bootstrap bpftool.

Signed-off-by: Artem Savkov

diff --git a/redhat/kernel.spec.template b/redhat/kernel.spec.template
index blahblah..blahblah 100644
--- a/redhat/kernel.spec.template
+++ b/redhat/kernel.spec.template
@@ -2608,7 +2608,10 @@ BuildKernel() {
     # zfcpdump build does not have btf anymore
     if [ "$Variant" != "zfcpdump" ]; then
         # Build the bootstrap bpftool to generate vmlinux.h
-        make -C tools/bpf/bpftool bootstrap
+        export BPFBOOTSTRAP_CFLAGS=$(echo "%{__global_compiler_flags}" | sed -r "s/-specs=[^\ ]+/redhat-annobin-cc1//")
+        export BPFBOOTSTRAP_LDFLAGS=$(echo "%{__global_ldflags}" | sed -r "s/-specs=[^\ ]+/redhat-annobin-cc1//")
+        CFLAGS="" LDFLAGS="" make EXTRA_CFLAGS="${BPFBOOTSTRAP_CFLAGS}" EXTRA_LDFLAGS="${BPFBOOTSTRAP_LDFLAGS}" %{?make_opts} %{?clang_make_opts} V=1 -C tools/bpf/bpftool bootstrap
+
         tools/bpf/bpftool/bootstrap/bpftool btf dump file vmlinux format c > $RPM_BUILD_ROOT/$DevelDir/vmlinux.h
     fi

@@ -2665,7 +2668,6 @@ mkdir -p $RPM_BUILD_ROOT%{_libexecdir}

cd linux-%{KVERREL}

-
 %if %{with_debug}
 %if %{with_realtime}
 echo "building rt-debug"

--
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/2884