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android-tools: Support libselinux to build with musl which now has gettid

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Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Khem Raj
2020-09-10 09:56:00 -07:00
parent 14f193be82
commit ad26afac60
1 changed files with 9 additions and 12 deletions
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meta-oe/recipes-devtools/android-tools/android-tools/libselinux/0001-libselinux-Do-not-define-gettid-if-glibc-2.30-is-use.patch
+9 -12
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@@ -29,24 +29,21 @@ Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/src/procattr.c
+++ b/src/procattr.c
@@ -8,7 +8,19 @@
@@ -8,12 +8,16 @@
#include "selinux_internal.h"
#include "policy.h"
-#ifndef __BIONIC__
+/* Bionic and glibc >= 2.30 declare gettid() system call wrapper in unistd.h and
+ * has a definition for it */
+#ifdef __BIONIC__
+ #define OVERRIDE_GETTID 0
+#elif !defined(__GLIBC_PREREQ)
+ #define OVERRIDE_GETTID 1
+#elif !__GLIBC_PREREQ(2,29)
+ #define OVERRIDE_GETTID 1
+#else
+ #define OVERRIDE_GETTID 0
+#endif
+
+#if OVERRIDE_GETTID
+#if defined(__GLIBC_)
+#if !__GLIBC_PREREQ(2,30)
static pid_t gettid(void)
{
return syscall(__NR_gettid);
}
#endif
+#endif
static int getprocattrcon(char ** context,
pid_t pid, const char *attr)