From 3e571e24c730f747d18ed02ba7451e9e00480fc7 Mon Sep 17 00:00:00 2001
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From: Oleksiy Obitotskyy <oobitots@cisco.com>
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Date: Thu, 26 Nov 2020 12:00:43 -0800
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Subject: [PATCH] flex: Remove #line directives
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Append --noline option to flex to not
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generate #line directives with absolute file patch.
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Upstream-Status: Pending
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Signed-off-by: Oleksiy Obitotskyy <oobitots@cisco.com>
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---
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cmake/modules/FindLEX.cmake | 18 +++++++++++++-----
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1 file changed, 13 insertions(+), 5 deletions(-)
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diff --git a/cmake/modules/FindLEX.cmake b/cmake/modules/FindLEX.cmake
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index 0008bc4..ec68f84 100644
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--- a/cmake/modules/FindLEX.cmake
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+++ b/cmake/modules/FindLEX.cmake
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@@ -32,11 +32,19 @@ MACRO(ADD_LEX_FILES _source _generated)
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SET(_outc ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.c)
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SET(_outh ${CMAKE_CURRENT_BINARY_DIR}/${_basename}_lex.h)
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- ADD_CUSTOM_COMMAND(
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- OUTPUT ${_outc} ${_outh}
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- COMMAND ${LEX_EXECUTABLE} -o${_outc} --header-file=${_outh} ${_in}
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- DEPENDS ${_in}
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- )
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+ IF (DEFINED ENV{SOURCE_DATE_EPOCH})
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+ ADD_CUSTOM_COMMAND(
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+ OUTPUT ${_outc} ${_outh}
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+ COMMAND ${LEX_EXECUTABLE} --noline -o${_outc} --header-file=${_outh} ${_in}
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+ DEPENDS ${_in}
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+ )
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+ ELSE ()
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+ ADD_CUSTOM_COMMAND(
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+ OUTPUT ${_outc} ${_outh}
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+ COMMAND ${LEX_EXECUTABLE} -o${_outc} --header-file=${_outh} ${_in}
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+ DEPENDS ${_in}
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+ )
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+ ENDIF ()
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LIST(APPEND ${_source} ${_in})
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LIST(APPEND ${_generated} ${_outc})
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INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
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--
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2.26.2.Cisco
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