[Buildroot] [PATCH 1/1] package/lvm2: fix musl build

[Bernd Kuhls]

Fixes
http://autobuild.buildroot.net/results/b25/b25847e1b8eddac6104c5777a8137e419eaefe64/

Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
---
 package/lvm2/0001-fix-stdio-usage.patch | 118 ++++++++++++++++++++++++++++++++
 package/lvm2/0002-mallinfo.patch        |  18 +++++
 2 files changed, 136 insertions(+)
 create mode 100644 package/lvm2/0001-fix-stdio-usage.patch
 create mode 100644 package/lvm2/0002-mallinfo.patch

diff --git a/package/lvm2/0001-fix-stdio-usage.patch b/package/lvm2/0001-fix-stdio-usage.patch
new file mode 100644
index 0000000..a06ca7c
--- /dev/null
+++ b/package/lvm2/0001-fix-stdio-usage.patch
@@ -0,0 +1,118 @@
+Fix musl build
+
+Downloaded from
+http://git.alpinelinux.org/cgit/aports/plain/main/lvm2/fix-stdio-usage.patch
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
+
+--- LVM2.2.02.103.orig/lib/commands/toolcontext.c
++++ LVM2.2.02.103/lib/commands/toolcontext.c
+@@ -1336,7 +1336,10 @@
+ /*
+  * Close and reopen stream on file descriptor fd.
+  */
+-static int _reopen_stream(FILE *stream, int fd, const char *mode, const char *name, FILE **new_stream)
++#ifdef __GLIBC__
++#define _reopen_stream(stream, fd, mode, name) __reopen_stream(stream, fd, mode, name, &stream)
++
++static int __reopen_stream(FILE *stream, int fd, const char *mode, const char *name, FILE **new_stream)
+ {
+ 	int fd_copy, new_fd;
+ 
+@@ -1363,6 +1366,9 @@
+ 
+ 	return 1;
+ }
++#else
++#define _reopen_stream(stream, fd, mode, name) (freopen(NULL, mode, stream) != NULL)
++#endif
+ 
+ /* Entry point */
+ struct cmd_context *create_toolcontext(unsigned is_long_lived,
+@@ -1371,7 +1377,6 @@
+ 				       unsigned threaded)
+ {
+ 	struct cmd_context *cmd;
+-	FILE *new_stream;
+ 	int flags;
+ 
+ #ifdef M_MMAP_MAX
+@@ -1421,9 +1426,8 @@
+ 		if (is_valid_fd(STDIN_FILENO) &&
+ 		    ((flags = fcntl(STDIN_FILENO, F_GETFL)) > 0) &&
+ 		    (flags & O_ACCMODE) != O_WRONLY) {
+-			if (!_reopen_stream(stdin, STDIN_FILENO, "r", "stdin", &new_stream))
++			if (!_reopen_stream(stdin, STDIN_FILENO, "r", "stdin"))
+ 				goto_out;
+-			stdin = new_stream;
+ 			if (setvbuf(stdin, cmd->linebuffer, _IOLBF, linebuffer_size)) {
+ 				log_sys_error("setvbuf", "");
+ 				goto out;
+@@ -1433,9 +1437,8 @@
+ 		if (is_valid_fd(STDOUT_FILENO) &&
+ 		    ((flags = fcntl(STDOUT_FILENO, F_GETFL)) > 0) &&
+ 		    (flags & O_ACCMODE) != O_RDONLY) {
+-			if (!_reopen_stream(stdout, STDOUT_FILENO, "w", "stdout", &new_stream))
++			if (!_reopen_stream(stdout, STDOUT_FILENO, "w", "stdout"))
+ 				goto_out;
+-			stdout = new_stream;
+ 			if (setvbuf(stdout, cmd->linebuffer + linebuffer_size,
+ 				     _IOLBF, linebuffer_size)) {
+ 				log_sys_error("setvbuf", "");
+@@ -1715,7 +1718,6 @@
+ void destroy_toolcontext(struct cmd_context *cmd)
+ {
+ 	struct dm_config_tree *cft_cmdline;
+-	FILE *new_stream;
+ 	int flags;
+ 
+ 	if (cmd->dump_filter && cmd->filter && cmd->filter->dump &&
+@@ -1752,8 +1754,7 @@
+ 		if (is_valid_fd(STDIN_FILENO) &&
+ 		    ((flags = fcntl(STDIN_FILENO, F_GETFL)) > 0) &&
+ 		    (flags & O_ACCMODE) != O_WRONLY) {
+-			if (_reopen_stream(stdin, STDIN_FILENO, "r", "stdin", &new_stream)) {
+-				stdin = new_stream;
++			if (_reopen_stream(stdin, STDIN_FILENO, "r", "stdin")) {
+ 				setlinebuf(stdin);
+ 			} else
+ 				cmd->linebuffer = NULL;	/* Leave buffer in place (deliberate leak) */
+@@ -1762,8 +1763,7 @@
+ 		if (is_valid_fd(STDOUT_FILENO) &&
+ 		    ((flags = fcntl(STDOUT_FILENO, F_GETFL)) > 0) &&
+ 		    (flags & O_ACCMODE) != O_RDONLY) {
+-			if (_reopen_stream(stdout, STDOUT_FILENO, "w", "stdout", &new_stream)) {
+-				stdout = new_stream;
++			if (_reopen_stream(stdout, STDOUT_FILENO, "w", "stdout")) {
+ 				setlinebuf(stdout);
+ 			} else
+ 				cmd->linebuffer = NULL;	/* Leave buffer in place (deliberate leak) */
+--- LVM2.2.02.103.orig/tools/lvmcmdline.c
++++ LVM2.2.02.103/tools/lvmcmdline.c
+@@ -1252,7 +1252,7 @@
+ 	int err = is_valid_fd(STDERR_FILENO);
+ 
+ 	if (!is_valid_fd(STDIN_FILENO) &&
+-	    !(stdin = fopen(_PATH_DEVNULL, "r"))) {
++	    !freopen(_PATH_DEVNULL, "r", stdin)) {
+ 		if (err)
+ 			perror("stdin stream open");
+ 		else
+@@ -1262,7 +1262,7 @@
+ 	}
+ 
+ 	if (!is_valid_fd(STDOUT_FILENO) &&
+-	    !(stdout = fopen(_PATH_DEVNULL, "w"))) {
++	    !freopen(_PATH_DEVNULL, "w", stdout)) {
+ 		if (err)
+ 			perror("stdout stream open");
+ 		/* else no stdout */
+@@ -1270,7 +1270,7 @@
+ 	}
+ 
+ 	if (!is_valid_fd(STDERR_FILENO) &&
+-	    !(stderr = fopen(_PATH_DEVNULL, "w"))) {
++	    !freopen(_PATH_DEVNULL, "w", stderr)) {
+ 		printf("stderr stream open: %s\n",
+ 		       strerror(errno));
+ 		return 0;
diff --git a/package/lvm2/0002-mallinfo.patch b/package/lvm2/0002-mallinfo.patch
new file mode 100644
index 0000000..e3b5f89
--- /dev/null
+++ b/package/lvm2/0002-mallinfo.patch
@@ -0,0 +1,18 @@
+Fix musl build
+
+Downloaded from
+http://git.alpinelinux.org/cgit/aports/plain/main/lvm2/mallinfo.patch
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
+
+--- ./lib/mm/memlock.c.orig	2015-03-09 11:18:41.560028850 -0100
++++ ./lib/mm/memlock.c	2015-03-09 11:19:54.504373309 -0100
+@@ -137,7 +137,7 @@
+ 
+ static void _allocate_memory(void)
+ {
+-#ifndef VALGRIND_POOL
++#if !defined(VALGRIND_POOL) && defined(__GLIBC__)
+ 	void *stack_mem;
+ 	struct rlimit limit;
+ 	int i, area = 0, missing = _size_malloc_tmp, max_areas = 32, hblks;
-- 
2.7.0.rc3