[Bf-blender-cvs] [84032fd1108] master: GMP/macOS: silence "PIE disabled" linker warning.

[Ankit]

Commit: 84032fd1108b29d270e51d890f0303f78b6962c2
Author: Ankit
Date:   Wed Sep 16 02:02:45 2020 +0530
Branches: master
https://developer.blender.org/rB84032fd1108b29d270e51d890f0303f78b6962c2

GMP/macOS: silence "PIE disabled" linker warning.

The change builds GMP with `--with-pic` flag on non-arm architecture.

The warning:
ld: warning: PIE disabled. Absolute addressing
(perhaps -mdynamic-no-pic) not allowed in code signed PIE, but used in
___gmpn_divexact_1 from lib/darwin/gmp/lib/libgmp.a(dive_1.o). To fix
this warning, don't compile with -mdynamic-no-pic or link with
-Wl,-no_pie

Reviewed By: sebbas

Differential Revision: https://developer.blender.org/D8823

===================================================================

M	build_files/build_environment/cmake/gmp.cmake

===================================================================

diff --git a/build_files/build_environment/cmake/gmp.cmake b/build_files/build_environment/cmake/gmp.cmake
index 16d2611ee12..f34ee95c6e3 100644
--- a/build_files/build_environment/cmake/gmp.cmake
+++ b/build_files/build_environment/cmake/gmp.cmake
@@ -25,11 +25,18 @@ else()
   set(GMP_OPTIONS --enable-static --disable-shared )
 endif()
 
-if(APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))
-  set(GMP_OPTIONS
-     ${GMP_OPTIONS}
-     --disable-assembly
-  )
+if(APPLE)
+  if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
+    set(GMP_OPTIONS
+      ${GMP_OPTIONS}
+      --disable-assembly
+    )
+  else()
+    set(GMP_OPTIONS
+      ${GMP_OPTIONS}
+      --with-pic
+    )
+  endif()
 endif()
 
 ExternalProject_Add(external_gmp