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From e4e88c2f55286cf24af230b265d0e059363baa6c Mon Sep 17 00:00:00 2001
From: Oleksiy Obitotskyy <oobitots@cisco.com>
Date: Thu, 26 Nov 2020 12:00:43 -0800
Subject: [PATCH] flex: Remove #line directives
Append --noline option to flex to not
generate #line directives with absolute file patch.
Upstream-Status: Pending
Signed-off-by: Oleksiy Obitotskyy <oobitots@cisco.com>
---
cmake/modules/FindLEX.cmake | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/cmake/modules/FindLEX.cmake b/cmake/modules/FindLEX.cmake
index 20caa09..174f452 100644
--- a/cmake/modules/FindLEX.cmake
+++ b/cmake/modules/FindLEX.cmake
@@ -32,11 +32,19 @@ MACRO(ADD_LEX_FILES _source _generated)
SET(_outc ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.c)
SET(_outh ${CMAKE_CURRENT_BINARY_DIR}/${_basename}_lex.h)
- ADD_CUSTOM_COMMAND(
- OUTPUT ${_outc} ${_outh}
- COMMAND ${LEX_EXECUTABLE} $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:--debug> -o${_outc} --header-file=${_outh} ${_in}
- DEPENDS ${_in}
- )
+ IF (DEFINED ENV{SOURCE_DATE_EPOCH})
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${_outc} ${_outh}
+ COMMAND ${LEX_EXECUTABLE} $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:--debug> --noline -o${_outc} --header-file=${_outh} ${_in}
+ DEPENDS ${_in}
+ )
+ ELSE ()
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${_outc} ${_outh}
+ COMMAND ${LEX_EXECUTABLE} $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:--debug> -o${_outc} --header-file=${_outh} ${_in}
+ DEPENDS ${_in}
+ )
+ ENDIF ()
LIST(APPEND ${_source} ${_in})
LIST(APPEND ${_generated} ${_outc})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
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