oprofile: fix build with musl

(From OE-Core rev: 0b1b091bcfee268773002e8f015ead77c9de953a)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/meta/recipes-kernel/oprofile/oprofile/musl.patch b/meta/recipes-kernel/oprofile/oprofile/musl.patch
new file mode 100644
index 0000000000..51db408454
--- /dev/null
+++ b/meta/recipes-kernel/oprofile/oprofile/musl.patch
@@ -0,0 +1,46 @@
+Fix glibc-isms so that oprofile builds with musl.
+
+Patch taken from openwrt (https://github.com/openwrt-mirror/openwrt/blob/master/package/devel/oprofile/patches/100-musl.patch)
+
+Upstream-Status: Pending
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+--- a/pe_profiling/operf.cpp
++++ b/pe_profiling/operf.cpp
+@@ -857,11 +857,14 @@ static int __delete_old_previous_sample_
+                                 int tflag  __attribute__((unused)),
+                                 struct FTW *ftwbuf __attribute__((unused)))
+ {
++       int err;
++
+        if (remove(fpath)) {
++               err = errno;
+                perror("sample data removal error");
+-               return FTW_STOP;
++               return err;
+        } else {
+-               return FTW_CONTINUE;
++               return 0;
+        }
+ }
+ 
+@@ -896,7 +899,7 @@ static void convert_sample_data(void)
+                return;
+ 
+        if (!operf_options::append) {
+-                int flags = FTW_DEPTH | FTW_ACTIONRETVAL;
++                int flags = FTW_DEPTH;
+                errno = 0;
+                if (nftw(previous_sampledir.c_str(), __delete_old_previous_sample_data, 32, flags) !=0 &&
+                                errno != ENOENT) {
+--- a/libop/op_events.c
++++ b/libop/op_events.c
+@@ -83,7 +83,7 @@ static int parse_hex(char const * str)
+ static u64 parse_long_hex(char const * str)
+ {
+        u64 value;
+-       if (sscanf(str, "%Lx", &value) != 1)
++       if (sscanf(str, "0x%llx", &value) != 1)
+                parse_error("expected long hexadecimal value");
+ 
+        fflush(stderr);