1From 3e571e24c730f747d18ed02ba7451e9e00480fc7 Mon Sep 17 00:00:00 2001
2From: Oleksiy Obitotskyy <oobitots@cisco.com>
3Date: Thu, 26 Nov 2020 12:00:43 -0800
4Subject: [PATCH] flex: Remove #line directives
5
6Append --noline option to flex to not
7generate #line directives with absolute file patch.
8
9Upstream-Status: Pending
10Signed-off-by: Oleksiy Obitotskyy <oobitots@cisco.com>
11---
12 cmake/modules/FindLEX.cmake | 18 +++++++++++++-----
13 1 file changed, 13 insertions(+), 5 deletions(-)
14
15diff --git a/cmake/modules/FindLEX.cmake b/cmake/modules/FindLEX.cmake
16index 0008bc4..ec68f84 100644
17--- a/cmake/modules/FindLEX.cmake
18+++ b/cmake/modules/FindLEX.cmake
19@@ -32,11 +32,19 @@ MACRO(ADD_LEX_FILES _source _generated)
20       SET(_outc ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.c)
21       SET(_outh ${CMAKE_CURRENT_BINARY_DIR}/${_basename}_lex.h)
22
23-      ADD_CUSTOM_COMMAND(
24-        OUTPUT ${_outc} ${_outh}
25-        COMMAND ${LEX_EXECUTABLE} -o${_outc} --header-file=${_outh} ${_in}
26-        DEPENDS ${_in}
27-      )
28+      IF (DEFINED ENV{SOURCE_DATE_EPOCH})
29+        ADD_CUSTOM_COMMAND(
30+          OUTPUT ${_outc} ${_outh}
31+          COMMAND ${LEX_EXECUTABLE} --noline -o${_outc} --header-file=${_outh} ${_in}
32+          DEPENDS ${_in}
33+        )
34+      ELSE ()
35+        ADD_CUSTOM_COMMAND(
36+          OUTPUT ${_outc} ${_outh}
37+          COMMAND ${LEX_EXECUTABLE} -o${_outc} --header-file=${_outh} ${_in}
38+          DEPENDS ${_in}
39+        )
40+      ENDIF ()
41       LIST(APPEND ${_source} ${_in})
42       LIST(APPEND ${_generated} ${_outc})
43       INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
44--
452.26.2.Cisco
46
47