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[bug#30604] [PATCH v2 2/6] gnu: Add kmod-minimal-static.


From: Danny Milosavljevic
Subject: [bug#30604] [PATCH v2 2/6] gnu: Add kmod-minimal-static.
Date: Mon, 26 Feb 2018 04:50:21 +0100

* gnu/packages/linux.scm (kmod-minimal/static): New variable.
* gnu/packages/patches/kmod-13-module-directory.patch: New file.
* gnu/local.mk: Add it.
---
 gnu/local.mk                                       |  1 +
 gnu/packages/linux.scm                             | 44 ++++++++++++++++++++++
 .../patches/kmod-13-module-directory.patch         | 33 ++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 gnu/packages/patches/kmod-13-module-directory.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 21195f8c1..b1e3c878d 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -795,6 +795,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/kiki-makefile.patch                     \
   %D%/packages/patches/kiki-missing-includes.patch             \
   %D%/packages/patches/kiki-portability-64bit.patch            \
+  %D%/packages/patches/kmod-13-module-directory.patch          \
   %D%/packages/patches/kmod-module-directory.patch             \
   %D%/packages/patches/kobodeluxe-paths.patch                  \
   %D%/packages/patches/kobodeluxe-enemies-pipe-decl.patch      \
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 1f8bf3050..b2e47f79a 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -1994,6 +1994,50 @@ from the module-init-tools project.")
                      #t))
                  %standard-phases)))))
 
+(define-public kmod-minimal/static
+  (static-package
+   (package (inherit kmod-minimal)
+    (name "kmod-minimal-static")
+    (version "13")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append "mirror://kernel.org/linux/utils/kernel/kmod/"
+                              "kmod-" version ".tar.xz"))
+              (sha256
+               (base32
+                "0mkrklih0f33c3zc4mkk9qqbzy36r18mj9xffd4wi61gpamx6dkc"))
+              (patches (search-patches "kmod-13-module-directory.patch"))))
+    (arguments
+     (substitute-keyword-arguments
+       (package-arguments (static-package kmod-minimal))
+       ((#:configure-flags flags ''())
+        `(cons* "--disable-manpages" "--disable-static" "--disable-shared" 
,flags))
+       ((#:make-flags flags ''())
+        `(cons* "LDFLAGS=-all-static" ,flags))
+       ((#:phases phases '%standard-phases)
+        `(modify-phases ,phases
+          (delete 'install-license-files)
+          (add-after 'unpack 'patch-kmod
+           (lambda _
+             ;; Reduce size by 200 kiB.
+             (substitute* "tools/kmod.c"
+              (("[&]kmod_cmd_compat_lsmod,") "")
+              (("[&]kmod_cmd_compat_rmmod,") "")
+              (("[&]kmod_cmd_compat_insmod,") "")
+              (("[&]kmod_cmd_compat_modinfo,") ""))
+             #t))
+          (replace 'install
+            (lambda* (#:key outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (bin (string-append out "/bin")))
+                (install-file "tools/kmod" bin)
+                (for-each
+                 (lambda (tool)
+                   (symlink "kmod" (string-append bin "/" tool)))
+                 '("modprobe" "depmod"))
+                #t))))))))))
+
 (define-public eudev
   ;; The post-systemd fork, maintained by Gentoo.
   (package
diff --git a/gnu/packages/patches/kmod-13-module-directory.patch 
b/gnu/packages/patches/kmod-13-module-directory.patch
new file mode 100644
index 000000000..5ff2f8a60
--- /dev/null
+++ b/gnu/packages/patches/kmod-13-module-directory.patch
@@ -0,0 +1,33 @@
+This patch changes libkmod so it honors the 'LINUX_MODULE_DIRECTORY'
+environment variable, rather than looking for modules exclusively in
+/lib/modules.
+
+Patch by Shea Levy and Eelco Dolstra, from Nixpkgs; adjusted to
+use 'LINUX_MODULE_DIRECTORY' rather than 'MODULE_DIR' as the variable
+name.
+
+
+--- kmod-7/libkmod/libkmod.c   2012-03-15 08:19:16.750010226 -0400
++++ kmod-7/libkmod/libkmod.c   2012-04-04 15:21:29.532074313 -0400
+@@ -200,7 +200,7 @@
+ static char *get_kernel_release(const char *dirname)
+ {
+       struct utsname u;
+-      char *p;
++      char *p, *dirname_prefix;
+ 
+       if (dirname != NULL)
+               return path_make_absolute_cwd(dirname);
+@@ -208,7 +208,10 @@
+       if (uname(&u) < 0)
+               return NULL;
+ 
+-      if (asprintf(&p, "%s/%s", dirname_default_prefix, u.release) < 0)
++      if ((dirname_prefix = getenv("LINUX_MODULE_DIRECTORY")) == NULL)
++              dirname_prefix = dirname_default_prefix;
++
++      if (asprintf(&p, "%s/%s", dirname_prefix, u.release) < 0)
+               return NULL;
+ 
+       return p;
+





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