6.5.y: Suse: Add kernel-ksyms package
This commit is contained in:
Tk-Glitch
@@ -1,3 +1,164 @@
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From: Michal Suchanek <msuchanek@suse.de>
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Date: Wed, 7 Feb 2018 15:16:04 +0100
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Subject: Add ksym-provides tool.
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References: bsc#1077692
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Patch-mainline: no, not needed
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Signed-off-by: Michal Suchanek <msuchanek@suse.de>
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---
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scripts/mod/Makefile | 6 +-
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scripts/mod/ksym-provides.c | 124 ++++++++++++++++++++++++++++++++++++
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2 files changed, 129 insertions(+), 1 deletion(-)
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create mode 100644 scripts/mod/ksym-provides.c
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--- a/scripts/mod/Makefile
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+++ b/scripts/mod/Makefile
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@@ -2,11 +2,15 @@
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OBJECT_FILES_NON_STANDARD := y
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CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
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-hostprogs-always-y += modpost mk_elfconfig
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+hostprogs-always-y += modpost mk_elfconfig ksym-provides
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always-y += empty.o
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modpost-objs := modpost.o file2alias.o sumversion.o
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+ksym-provides-objs := ksym-provides.o
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+
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+HOSTLDLIBS_ksym-provides := -lelf
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+
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devicetable-offsets-file := devicetable-offsets.h
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$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE
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--- /dev/null
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+++ b/scripts/mod/ksym-provides.c
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@@ -0,0 +1,124 @@
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+#include <stdio.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <fcntl.h>
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+#include <unistd.h>
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+#include <gelf.h>
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+#include <string.h>
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+
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+int main(int argc, char *argv[])
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+{
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+ int fd;
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+ Elf *elf;
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+ Elf_Scn *scn;
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+ GElf_Shdr shdr;
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+ size_t strndx;
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+ int ndx;
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+ Elf_Data *symdata, *data;
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+ GElf_Sym sym;
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+ char *name;
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+ const char * flavor = argv[1];
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+ const char * prefix = "__crc_";
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+ size_t prefixlen = strlen(prefix);
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+ const char * symformat = "ksym(%s:%s) = %lx\n";
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+
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+ if (argc != 3) {
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+ fprintf(stderr, "Usage: %s <flavor> <filename>\n", argv[0]);
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+ return 1;
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+ }
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+
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+ if (elf_version(EV_CURRENT) == EV_NONE) {
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+ fprintf(stderr, "libelf initialization failed: %s\n",
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+ elf_errmsg(-1));
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+ return 1;
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+ }
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+
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+ fd = open(argv[2], O_RDONLY);
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+ if (fd < 0) {
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+ perror("open failed");
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+ return 1;
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+ }
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+
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+ elf = elf_begin(fd, ELF_C_READ, NULL);
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+ if (!elf) {
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+ fprintf(stderr, "elf_begin failed: %s\n", elf_errmsg(-1));
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+ goto err_close;
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+ }
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+
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+ scn = NULL;
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+ while ((scn = elf_nextscn(elf, scn)) != NULL) {
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+ if (!gelf_getshdr(scn, &shdr)) {
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+ fprintf(stderr, "gelf_getshdr failed: %s\n",
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+ elf_errmsg(-1));
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+ goto err_end;
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+ }
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+
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+ if (shdr.sh_type == SHT_SYMTAB)
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+ break;
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+ }
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+ if (!scn) {
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+ fputs("symbol table not found\n", stderr);
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+ goto err_end;
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+ }
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+ strndx = shdr.sh_link;
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+
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+ symdata = elf_getdata(scn, NULL);
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+ if (!symdata) {
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+ fprintf(stderr, "elf_getdata failed: %s\n", elf_errmsg(-1));
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+ goto err_end;
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+ }
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+
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+ for (ndx = 0; gelf_getsym(symdata, ndx, &sym) != NULL; ++ndx) {
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+
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+ name = elf_strptr(elf, strndx, sym.st_name);
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+ if (!name) {
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+ fprintf(stderr, "elf_strptr failed: %s\n",
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+ elf_errmsg(-1));
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+ goto err_end;
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+ }
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+ if (strncmp(prefix, name, prefixlen))
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+ continue;
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+
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+ if (sym.st_shndx >= SHN_LORESERVE) {
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+ printf(symformat, flavor, name + prefixlen,
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+ sym.st_value);
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+ continue;
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+ }
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+
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+ scn = elf_getscn(elf, sym.st_shndx);
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+ if (!scn) {
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+ fprintf(stderr, "elf_getscn failed: %s\n",
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+ elf_errmsg(-1));
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+ goto err_end;
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+ }
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+ if (!gelf_getshdr(scn, &shdr)) {
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+ fprintf(stderr, "gelf_getshdr failed: %s\n",
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+ elf_errmsg(-1));
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+ goto err_end;
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+ }
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+
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+ if (shdr.sh_type != SHT_PROGBITS)
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+ continue;
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+
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+ data = elf_getdata_rawchunk(
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+ elf, shdr.sh_offset + sym.st_value - shdr.sh_addr,
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+ sizeof(GElf_Word), ELF_T_WORD);
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+ if (!data) {
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+ fprintf(stderr, "elf_getdata_rawchunk failed: %s\n",
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+ elf_errmsg(-1));
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+ goto err_end;
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+ }
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+ printf(symformat, flavor, name + prefixlen,
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+ (unsigned long) *(GElf_Word*)data->d_buf);
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+ }
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+
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+ elf_end(elf);
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+ close(fd);
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+ return 0;
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+
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+ err_end:
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+ elf_end(elf);
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+ err_close:
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+ close(fd);
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+ return 1;
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+}
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From bb1a83cf109eee56c8dee26f7910c772f8c246fc Mon Sep 17 00:00:00 2001
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From: Michal Suchanek <msuchanek@suse.de>
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Date: Thu, 29 Jun 2023 17:47:16 +0200
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@@ -175,3 +336,74 @@ index de170760d..2b5ee7b35 100755
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+$S$M /usr/lib/modules/$KERNELRELEASE/source
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EOF
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From 23133fe6745d567db5b93dc9e6aecc32d31354bd Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.de>
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Date: Tue, 31 Mar 2009 09:46:30 -0400
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Subject: [PATCH] - doc/README.KSYMS: Add to repo.
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---
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doc/README.KSYMS | 6 ++++++
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1 file changed, 6 insertions(+)
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create mode 100644 doc/README.KSYMS
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diff --git a/doc/README.KSYMS b/doc/README.KSYMS
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new file mode 100644
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index 00000000000..39fe7878174
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--- /dev/null
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+++ b/doc/README.KSYMS
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@@ -0,0 +1,6 @@
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+This file is a place holder for the kernel-syms{,-rt} package. It is used
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+to group build dependencies for all kernel flavors.
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+
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+The KMP build process will build KMPs against all installed kernel flavors
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+automatically. If you don't need to build against other flavors than the
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+ones you've already installed - it is safe to uninstall this package.
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From 5cd5e149a95d37746a89850f4beddef4f0ad2224 Mon Sep 17 00:00:00 2001
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From: tkg <tkg@froggi.es>
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Date: Sat, 9 Sep 2023 14:06:44 +0200
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Subject: Suse: Add kernel-syms package
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diff --git a/scripts/package/mkspec b/scripts/package/mkspec
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index ff8c33ead..51c94131e 100755
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--- a/scripts/package/mkspec
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+++ b/scripts/package/mkspec
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@@ -52,7 +52,7 @@ $S Source1: config
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$S Source2: diff.patch
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Provides: kernel-$KERNELRELEASE
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Provides: kernel-uname-r = %{version}
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-$S BuildRequires: bc binutils bison dwarves
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+$S BuildRequires: bc binutils bison dwarves coreutils
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$S BuildRequires: (elfutils-libelf-devel or libelf-devel) flex
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$S BuildRequires: gcc make openssl openssl-devel perl python3 rsync
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@@ -88,6 +88,19 @@ $S$M %description -n kernel-devel
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$S$M This package provides kernel headers and makefiles sufficient to build modules
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$S$M against the $__KERNELRELEASE kernel package.
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$S$M
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+$S$M %package syms
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+$S$M Summary: Kernel Symbol Versions (modversions) for the $__KERNELRELEASE kernel
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+$S$M Group: Development/Sources
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+$S$M AutoReqProv: no
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+$S$M Provides: kernel-syms = %{version}
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+$S$M Requires: kernel-devel = %{version}
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+$S$M %description -n kernel-syms
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+$S$M Kernel symbols, such as functions and variables, have version
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+$S$M information attached to them. This package contains the symbol versions
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+$S$M for the standard kernels.
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+$S$M This package is needed for compiling kernel module packages with proper
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+$S$M package dependencies.
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+
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$S # Opt out of a lot of Fedora hardening flags etc...
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$S # See https://src.fedoraproject.org/rpms/redhat-rpm-config//blob/rawhide/f/buildflags.md
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$S %undefine _package_note_file
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@@ -173,4 +189,8 @@ $S$M %defattr (-, root, root)
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$S$M /usr/src/kernels/$KERNELRELEASE
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$S$M /usr/lib/modules/$KERNELRELEASE/build
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$S$M /usr/lib/modules/$KERNELRELEASE/source
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+$S$M
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+$S$M %files syms
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+$S$M %defattr (-, root, root)
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+$S$M /usr/src/kernels/$KERNELRELEASE/doc
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EOF
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