From 9e4de543d067586b0f74666f7b07717a3f3173e0 Mon Sep 17 00:00:00 2001
From: Connor Davis <davisc@ainfosec.com>
Date: Fri, 29 Mar 2019 21:57:28 -0600
Subject: Modules: Check nasm compile object variable

Check if the CMAKE_ASM_NASM_COMPILE_OBJECT variable is set
before modifying it. Only modify if not previously set.
---
 Modules/CMakeASM_NASMInformation.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/CMakeASM_NASMInformation.cmake b/Modules/CMakeASM_NASMInformation.cmake
index 1e3c608..cb793e7 100644
--- a/Modules/CMakeASM_NASMInformation.cmake
+++ b/Modules/CMakeASM_NASMInformation.cmake
@@ -28,7 +28,9 @@ if(NOT CMAKE_ASM_NASM_OBJECT_FORMAT)
   endif()
 endif()
 
-set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <INCLUDES> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+if(NOT CMAKE_ASM_NASM_COMPILE_OBJECT)
+  set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <INCLUDES> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+endif()
 
 # Load the generic ASMInformation file:
 set(ASM_DIALECT "_NASM")
-- 
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