Author: labath
Date: Thu Jun 1 06:20:17 2017
New Revision: 304405
URL: http://llvm.org/viewvc/llvm-project?rev=304405&view=rev
Log:
cmake: Enable process_vm_readv detection on android
Only android and linux can have this function as far as I am aware, but
it seems cleaner to enable this code for all platforms.
Modified:
lldb/trunk/cmake/modules/LLDBConfig.cmake
Modified: lldb/trunk/cmake/modules/LLDBConfig.cmake
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/cmake/modules/LLDBConfig.cmake?rev=304405&r1=304404&r2=304405&view=diff
==============================================================================
--- lldb/trunk/cmake/modules/LLDBConfig.cmake (original)
+++ lldb/trunk/cmake/modules/LLDBConfig.cmake Thu Jun 1 06:20:17 2017
@@ -334,28 +334,26 @@ if (HAVE_LIBDL)
list(APPEND system_libs ${CMAKE_DL_LIBS})
endif()
-if (CMAKE_SYSTEM_NAME MATCHES "Linux")
- # Check for syscall used by lldb-server on linux.
- # If these are not found, it will fall back to ptrace (slow) for memory
reads.
- check_cxx_source_compiles("
- #include <sys/uio.h>
- int main() { process_vm_readv(0, nullptr, 0, nullptr, 0, 0); return 0;
}"
- HAVE_PROCESS_VM_READV)
+# Check for syscall used by lldb-server on linux.
+# If these are not found, it will fall back to ptrace (slow) for memory reads.
+check_cxx_source_compiles("
+ #include <sys/uio.h>
+ int main() { process_vm_readv(0, nullptr, 0, nullptr, 0, 0); return 0; }"
+ HAVE_PROCESS_VM_READV)
- if (HAVE_PROCESS_VM_READV)
- add_definitions(-DHAVE_PROCESS_VM_READV)
- else()
- # If we don't have the syscall wrapper function, but we know the
syscall number, we can
- # still issue the syscall manually
- check_cxx_source_compiles("
- #include <sys/syscall.h>
- int main() { return __NR_process_vm_readv; }"
- HAVE_NR_PROCESS_VM_READV)
+if (HAVE_PROCESS_VM_READV)
+ add_definitions(-DHAVE_PROCESS_VM_READV)
+else()
+ # If we don't have the syscall wrapper function, but we know the syscall
number, we can
+ # still issue the syscall manually
+ check_cxx_source_compiles("
+ #include <sys/syscall.h>
+ int main() { return __NR_process_vm_readv; }"
+ HAVE_NR_PROCESS_VM_READV)
- if (HAVE_NR_PROCESS_VM_READV)
- add_definitions(-DHAVE_NR_PROCESS_VM_READV)
- endif()
- endif()
+ if (HAVE_NR_PROCESS_VM_READV)
+ add_definitions(-DHAVE_NR_PROCESS_VM_READV)
+ endif()
endif()
# Figure out if lldb could use lldb-server. If so, then we'll
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