On Mon, Jun 8, 2020 at 10:30 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > Hi, > > On Fri, Jun 05, 2020 at 10:39:55AM +0300, Denis Efremov wrote: > > Allow user to use alternative implementations of compression tools, > > such as pigz, pbzip2, pxz. For example, multi-threaded tools to > > speed up the build: > > $ make GZIP=pigz BZIP2=pbzip2 > > > > Variables _GZIP, _BZIP2, _LZOP are used internally because original env > > vars are reserved by the tools. The use of GZIP in gzip tool is obsolete > > since 2015. However, alternative implementations (e.g., pigz) still rely > > on it. BZIP2, BZIP, LZOP vars are not obsolescent. > > > > When building mips:defconfig, this patch results in: > > Building mips:defconfig ... failed > -------------- > Error log: > /bin/sh: -n: command not found > make[3]: *** [kernel/config_data.gz] Error 127 > make[3]: *** Deleting file 'kernel/config_data.gz' > make[3]: *** Waiting for unfinished jobs.... > make[2]: *** [kernel] Error 2 > make[2]: *** Waiting for unfinished jobs.... > make[1]: *** [autoksyms_recursive] Error 2 > make: *** [__sub-make] Error 2 > > Reverting this patch fixes the problem. Bisect log is attached. > > Guenter Agh, this is because of CONFIG_TRIM_UNUSED_KSYMS. Also, the distro package builds are broken e.g. make GZIP=gzip bindeb-pkg Denis, I think we should go back to the original KGZIP, KBZIP2, KLZOP. > > --- > # bad: [cf0c97f148e9e50aa5a7ddd1984a604dd2bde4af] Merge tag 'pinctrl-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl > # good: [aaa2faab4ed8e5fe0111e04d6e168c028fe2987f] Merge tag 'for-linus-5.8-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux > git bisect start 'HEAD' 'aaa2faab4ed8' > # good: [77f55d1305c11fb729b88f2c3f7881ba0831fa6f] staging: rtl8723bs: Use common packet header constants > git bisect good 77f55d1305c11fb729b88f2c3f7881ba0831fa6f > # bad: [e611c0fe318c6d6827ee2bba660fbc23cf73f7dc] Merge tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb > git bisect bad e611c0fe318c6d6827ee2bba660fbc23cf73f7dc > # bad: [cff11abeca78aa782378401ca2800bd2194aa14e] Merge tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild > git bisect bad cff11abeca78aa782378401ca2800bd2194aa14e > # good: [2bd81cd04a3f5eb873cc81fa16c469377be3b092] Merge branch 'remotes/lorenzo/pci/vmd' > git bisect good 2bd81cd04a3f5eb873cc81fa16c469377be3b092 > # good: [269a535ca931b754a40dda3ab60514e68773c759] modpost: generate vmlinux.symvers and reuse it for the second modpost > git bisect good 269a535ca931b754a40dda3ab60514e68773c759 > # good: [e542e0dc3ee3eafc46dd8e3073388079d69cace0] Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging > git bisect good e542e0dc3ee3eafc46dd8e3073388079d69cace0 > # good: [4de7b62936122570408357417f21072e78292926] modpost: remove is_vmlinux() helper > git bisect good 4de7b62936122570408357417f21072e78292926 > # good: [1ee18de92927f37e6948d5a6fc73cbf89f806905] Merge tag 'dma-mapping-5.8' of git://git.infradead.org/users/hch/dma-mapping > git bisect good 1ee18de92927f37e6948d5a6fc73cbf89f806905 > # bad: [8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294] kbuild: add variables for compression tools > git bisect bad 8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294 > # good: [c0901577e1dcc8d1c0fd1a11c8d571f650df845f] kbuild: doc: rename LDFLAGS to KBUILD_LDFLAGS > git bisect good c0901577e1dcc8d1c0fd1a11c8d571f650df845f > # good: [e0b250b57dcf403529081e5898a9de717f96b76b] Makefile: install modules.builtin even if CONFIG_MODULES=n > git bisect good e0b250b57dcf403529081e5898a9de717f96b76b > # first bad commit: [8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294] kbuild: add variables for compression tools -- Best Regards Masahiro Yamada