v1.707: make kernel module compression configurable via kmod_compress_cmd macro

[packages/rpm-build-macros.git] / rpm.macros.kernel

diff --git a/rpm.macros.kernel b/rpm.macros.kernel
index 096067c400e21972d34e0e58542550191190db96..3d24d00c473179ef9d65c76b9e2e5d787108cc6f 100644 (file)
--- a/rpm.macros.kernel
+++ b/rpm.macros.kernel
@@ -93,23 +93,33 @@ done)
 %_host_base_arch       %{expand:%%global _host_base_arch %(echo %{_host_cpu} | sed 's/i.86/i386/;s/athlon/i386/;s/pentium./i386/;s/amd64/x86_64/;s/ia32e/x86_64/;s/x32/x86_64/;s/sparcv./sparc/;s/arm.*/arm/')}%_host_base_arch
 %_target_base_arch     %{expand:%%global _target_base_arch %(echo %{_target_cpu} | sed 's/i.86/i386/;s/athlon/i386/;s/pentium./i386/;s/amd64/x86_64/;s/ia32e/x86_64/;s/x32/x86_64/;s/sparcv./sparc/;s/arm.*/arm/')}%_target_base_arch
 
+# Compression used for %__spec_install_post_compress_modules
+# Supported values:
+# - "gzip -9nf" (module-init-tools and kmod)
+# - "xz" (kmod)
+# @since 1.707
+%kmod_compress_cmd %{__gzip} -9nf
+
 #-----------------------------------------------------------------
-# Find and gzip all kernel modules
+# Find and compress all kernel modules
 #
 # Requires: find
+# Depends: kmod_compress_cmd
 #
 #%no_install_post_compress_modules     1
 %__spec_install_post_compress_modules { \
 %{!?no_install_post_compress_modules: __spec_install_post_compress_modules() { \
 %{!?debug:set +x;} \
        if [ -d $RPM_BUILD_ROOT/lib/modules ]; then \
+               tool=$(%{kmod_compress_cmd} --version | head -n1); \
+               ext=$(case "$tool" in gzip*) ext=gz;; xz*) ext=xz;; esac; \
                q=$(find $RPM_BUILD_ROOT/lib/modules -name '*o' -type f -print); \
                if [ "$q" ]; then \
                        printf "Compress %d kernel modules..." $(echo "$q" | wc -l); \
-                       echo "$q" | xargs -r %{__gzip} -9nf; \
+                       echo "$q" | xargs -r %{kmod_compress_cmd}; \
                        echo "DONE"; \
                        find $RPM_BUILD_ROOT/lib/modules -name '*o' -type l -printf "%p %l\n" | \
-                       while read a b; do ln -sf $b.gz $a.gz; rm -f $a; done; \
+                       while read a b; do ln -sf $b.$ext $a.$ext; rm -f $a; done; \
                fi; \
        fi; \
 }; __spec_install_post_compress_modules } }