[LEDE-DEV] [PATCH] package/util-linux: Fix libmount build under uClibc
Alexey Brodkin
Alexey.Brodkin at synopsys.com
Mon May 23 07:46:21 PDT 2016
This fixes util-linux building with uClibc.
Patch is taken as it is from Buildroot:
https://git.busybox.net/buildroot/plain/package/util-linux/0001-Fix-libmount-build-under-uClibc.patch?id=baccb506a6feabf114623866568121f49712f5df
Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
---
.../004-Fix-libmount-build-under-uClibc.patch | 153 +++++++++++++++++++++
1 file changed, 153 insertions(+)
create mode 100644 package/utils/util-linux/patches/004-Fix-libmount-build-under-uClibc.patch
diff --git a/package/utils/util-linux/patches/004-Fix-libmount-build-under-uClibc.patch b/package/utils/util-linux/patches/004-Fix-libmount-build-under-uClibc.patch
new file mode 100644
index 0000000..10cc3a5
--- /dev/null
+++ b/package/utils/util-linux/patches/004-Fix-libmount-build-under-uClibc.patch
@@ -0,0 +1,153 @@
+From 44d733203637666926964957af7af23429ddcecf Mon Sep 17 00:00:00 2001
+From: Gustavo Zacarias <gustavo at zacarias.com.ar>
+Date: Mon, 18 Apr 2016 09:58:56 -0300
+Subject: [PATCH] Fix libmount build under uClibc
+
+See https://bugs.gentoo.org/show_bug.cgi?id=406303
+http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/sys-apps/util-linux/files/util-linux-2.21.1-no-printf-alloc.patch?revision=1.2
+
+[Gustavo: converted to git format for 2.28]
+
+Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
+---
+ configure.ac | 1 -
+ libmount/src/tab_parse.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 52 insertions(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index 5a00403..3422f11 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -948,7 +948,6 @@ AC_ARG_ENABLE([libmount],
+ )
+ UL_BUILD_INIT([libmount])
+ UL_REQUIRES_BUILD([libmount], [libblkid])
+-UL_REQUIRES_HAVE([libmount], [scanf_alloc_modifier], [scanf string alloc modifier])
+ AM_CONDITIONAL([BUILD_LIBMOUNT], [test "x$build_libmount" = xyes])
+ AM_CONDITIONAL([BUILD_LIBMOUNT_TESTS], [test "x$build_libmount" = xyes -a "x$enable_static" = xyes])
+ AS_IF([test "x$build_libmount" = xyes], [
+diff --git a/libmount/src/tab_parse.c b/libmount/src/tab_parse.c
+index 3f5e14a..2ff1795 100644
+--- a/libmount/src/tab_parse.c
++++ b/libmount/src/tab_parse.c
+@@ -39,6 +39,10 @@ static void parser_cleanup(struct libmnt_parser *pa)
+ memset(pa, 0, sizeof(*pa));
+ }
+
++#ifndef HAVE_SCANF_MS_MODIFIER
++# define UL_SCNsA "%s"
++#endif
++
+ static int next_number(char **s, int *num)
+ {
+ char *end = NULL;
+@@ -69,16 +73,31 @@ static int mnt_parse_table_line(struct libmnt_fs *fs, char *s)
+ int rc, n = 0, xrc;
+ char *src = NULL, *fstype = NULL, *optstr = NULL;
+
++#ifndef HAVE_SCANF_MS_MODIFIER
++ size_t len = strlen(s) + 1;
++ src = malloc(len);
++ fstype = malloc(len);
++ fs->target = malloc(len);
++ optstr = malloc(len);
++#endif
++
+ rc = sscanf(s, UL_SCNsA" " /* (1) source */
+ UL_SCNsA" " /* (2) target */
+ UL_SCNsA" " /* (3) FS type */
+ UL_SCNsA" " /* (4) options */
+ "%n", /* byte count */
+
++#ifdef HAVE_SCANF_MS_MODIFIER
+ &src,
+ &fs->target,
+ &fstype,
+ &optstr,
++#else
++ src,
++ fs->target,
++ fstype,
++ optstr,
++#endif
+ &n);
+ xrc = rc;
+
+@@ -144,6 +163,16 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s)
+ unsigned int maj, min;
+ char *fstype = NULL, *src = NULL, *p;
+
++#ifndef HAVE_SCANF_MS_MODIFIER
++ size_t len = strlen(s) + 1;
++ fs->root = malloc(len);
++ fs->target = malloc(len);
++ fs->vfs_optstr = malloc(len);
++ fs->fs_optstr = malloc(len);
++ fstype = malloc(len);
++ src = malloc(len);
++#endif
++
+ rc = sscanf(s, "%d " /* (1) id */
+ "%d " /* (2) parent */
+ "%u:%u " /* (3) maj:min */
+@@ -155,9 +184,15 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s)
+ &fs->id,
+ &fs->parent,
+ &maj, &min,
++#ifdef HAVE_SCANF_MS_MODIFIER
+ &fs->root,
+ &fs->target,
+ &fs->vfs_optstr,
++#else
++ fs->root,
++ fs->target,
++ fs->vfs_optstr,
++#endif
+ &end);
+
+ if (rc >= 7 && end > 0)
+@@ -177,9 +212,15 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s)
+ UL_SCNsA" " /* (9) source */
+ UL_SCNsA, /* (10) fs options (fs specific) */
+
++#ifdef HAVE_SCANF_MS_MODIFIER
+ &fstype,
+ &src,
+ &fs->fs_optstr);
++#else
++ fstype,
++ src,
++ fs->fs_optstr);
++#endif
+
+ if (rc >= 10) {
+ size_t sz;
+@@ -298,14 +339,25 @@ static int mnt_parse_swaps_line(struct libmnt_fs *fs, char *s)
+ int rc;
+ char *src = NULL;
+
++#ifndef HAVE_SCANF_MS_MODIFIER
++ size_t len = strlen(s) + 1;
++ src = malloc(len);
++ fs->swaptype = malloc(len);
++#endif
++
+ rc = sscanf(s, UL_SCNsA" " /* (1) source */
+ UL_SCNsA" " /* (2) type */
+ "%ju" /* (3) size */
+ "%ju" /* (4) used */
+ "%d", /* priority */
+
++#ifdef HAVE_SCANF_MS_MODIFIER
+ &src,
+ &fs->swaptype,
++#else
++ src,
++ fs->swaptype,
++#endif
+ &fsz,
+ &usz,
+ &fs->priority);
+--
+2.7.3
+
--
2.5.0
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