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From f6f765b3c022cbf01c86dac7f9875cf18e9f9980 Mon Sep 17 00:00:00 2001
From: sdlzx <hdu_sdlzx@163.com>
Date: Wed, 6 Oct 2021 10:25:36 +0800
Subject: [PATCH] Fix hyperscan build error
The command "gcc -Q --help=target" outputs nothing during obs build,
so we manually set "GNUCC_ARCH" to "native" to avoid string manipulation errors.
Signed-off-by: sdlzx <hdu_sdlzx@163.com>
---
CMakeLists.txt | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5f8fb4..5cf41ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,9 +197,13 @@ else()
execute_process(COMMAND ${CMAKE_C_COMPILER} ${EXEC_ARGS}
OUTPUT_VARIABLE _GCC_OUTPUT)
string(FIND "${_GCC_OUTPUT}" "march" POS)
- string(SUBSTRING "${_GCC_OUTPUT}" ${POS} -1 _GCC_OUTPUT)
- string(REGEX REPLACE "march=[ \t]*([^ \n]*)[ \n].*" "\\1"
- GNUCC_ARCH "${_GCC_OUTPUT}")
+ if (POS EQUAL -1)
+ set (GNUCC_ARCH "native")
+ else()
+ string(SUBSTRING "${_GCC_OUTPUT}" ${POS} -1 _GCC_OUTPUT)
+ string(REGEX REPLACE "march=[ \t]*([^ \n]*)[ \n].*" "\\1"
+ GNUCC_ARCH "${_GCC_OUTPUT}")
+ endif()
# test the parsed flag
set (EXEC_ARGS ${CC_ARG1} -E - -mtune=${GNUCC_ARCH})
--
2.31.1
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