From 9eec54ae8fc1faa0158094ef19b85b9f44ca5390 Mon Sep 17 00:00:00 2001
From: Navid Nikaein <navid.nikaein@eurecom.fr>
Date: Mon, 4 Apr 2016 12:56:31 +0200
Subject: [PATCH] check if /proc/cpuinfo file exist in CMakeLists.txt
---
cmake_targets/CMakeLists.txt | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index feee27bce7..51d779fa59 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -132,16 +132,19 @@ Message("Architecture is ${CMAKE_SYSTEM_PROCESSOR}")
if (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l")
set(C_FLAGS_PROCESSOR "-gdwarf-2 -mfloat-abi=hard -mfpu=neon -lgcc -lrt")
else (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l")
- file(STRINGS "/proc/cpuinfo" CPUINFO REGEX flags LIMIT_COUNT 1)
- #Message("CPUINFO is ${CPUINFO}")
- if (CPUINFO MATCHES "avx2")
- set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mavx2")
- endif()
- if (CPUINFO MATCHES "sse4_1")
- set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -msse4.1")
- endif()
- if (CPUINFO MATCHES "ssse3")
- set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mssse3")
+ if(EXISTS "/proc/cpuinfo")
+ file(STRINGS "/proc/cpuinfo" CPUINFO REGEX flags LIMIT_COUNT 1)
+ if (CPUINFO MATCHES "avx2")
+ set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mavx2")
+ endif()
+ if (CPUINFO MATCHES "sse4_1")
+ set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -msse4.1")
+ endif()
+ if (CPUINFO MATCHES "ssse3")
+ set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mssse3")
+ endif()
+ else()
+ Message("/proc/cpuinfo does not exit. We will use manual CPU flags")
endif()
endif()
@@ -151,7 +154,7 @@ Message("C_FLAGS_PROCESSOR is ${C_FLAGS_PROCESSOR}")
if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86")
if ( (NOT( C_FLAGS_PROCESSOR MATCHES "ssse3")) OR (NOT( C_FLAGS_PROCESSOR MATCHES "msse4.1")) )
- Message(FATAL_ERROR "For x86 Architecture, you must have following flags: -mssse3 -msse4.1. The current detected flags are: ${C_FLAGS_PROCESSOR}. You can pass the flags manually in build script, for example: ./build_oai --cflags_processor \"-mssse3 -msse4.1\" ")
+ Message(FATAL_ERROR "For x86 Architecture, you must have following flags: -mssse3 -msse4.1. The current detected flags are: ${C_FLAGS_PROCESSOR}. You can pass the flags manually in build script, for example: ./build_oai --cflags_processor \"-mssse3 -msse4.1 -mavx2\" ")
endif()
endif()
--
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