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78 lines
2.8 KiB
78 lines
2.8 KiB
From d7b6c04aaf416344332e73f49fe457013e3ccf36 Mon Sep 17 00:00:00 2001
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From: Alexander Couzens <lynxis@fe80.eu>
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Date: Sun, 10 Dec 2017 00:54:06 +0100
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Subject: [PATCH] CMakeLists: build reproducible by default
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Merged-upstream: yes
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Using the build user and build hostname as part of the git hash breaks
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reproducible builds. Make this part optional, but build reproducible by
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default.
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---
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CMakeLists.txt | 47 +++++++++++++++++++++++++++--------------------
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1 file changed, 27 insertions(+), 20 deletions(-)
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Index: libwebsockets-2.4.0/CMakeLists.txt
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===================================================================
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--- libwebsockets-2.4.0.orig/CMakeLists.txt
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+++ libwebsockets-2.4.0/CMakeLists.txt
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@@ -39,26 +39,32 @@ message(STATUS "CMAKE_TOOLCHAIN_FILE='${
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find_package(Git)
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if(GIT_EXECUTABLE)
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execute_process(
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- WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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- COMMAND "${GIT_EXECUTABLE}" describe
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- OUTPUT_VARIABLE GIT_HASH
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- OUTPUT_STRIP_TRAILING_WHITESPACE
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- )
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- execute_process(
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- WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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- COMMAND "whoami"
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- OUTPUT_VARIABLE GIT_USER
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- OUTPUT_STRIP_TRAILING_WHITESPACE
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- )
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- execute_process(
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- WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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- COMMAND "hostname"
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- OUTPUT_VARIABLE GIT_HOST
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- OUTPUT_STRIP_TRAILING_WHITESPACE
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- )
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- string(REGEX REPLACE "([^\\])[\\]([^\\])" "\\1\\\\\\\\\\2" GIT_USER ${GIT_USER})
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- set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
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- message("Git commit hash: ${LWS_BUILD_HASH}")
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+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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+ COMMAND "${GIT_EXECUTABLE}" describe
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+ OUTPUT_VARIABLE GIT_HASH
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+ OUTPUT_STRIP_TRAILING_WHITESPACE
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+ )
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+ set(LWS_BUILD_HASH ${GIT_HASH})
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+
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+ # appen the build user and hostname
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+ if(NOT LWS_REPRODUCIBLE)
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+ execute_process(
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+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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+ COMMAND "whoami"
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+ OUTPUT_VARIABLE GIT_USER
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+ OUTPUT_STRIP_TRAILING_WHITESPACE
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+ )
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+ execute_process(
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+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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+ COMMAND "hostname"
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+ OUTPUT_VARIABLE GIT_HOST
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+ OUTPUT_STRIP_TRAILING_WHITESPACE
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+ )
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+ string(REGEX REPLACE "([^\\])[\\]([^\\])" "\\1\\\\\\\\\\2" GIT_USER ${GIT_USER})
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+ set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
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+ endif()
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+
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+ message("Git commit hash: ${LWS_BUILD_HASH}")
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endif()
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set(LWS_WITH_BUNDLED_ZLIB_DEFAULT OFF)
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@@ -121,6 +127,7 @@ option(LWS_AVOID_SIGPIPE_IGN "Android 7+
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option(LWS_WITH_STATS "Keep statistics of lws internal operations" OFF)
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option(LWS_WITH_SOCKS5 "Allow use of SOCKS5 proxy on client connections" OFF)
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option(LWS_WITH_PEER_LIMITS "Track peers and restrict resources a single peer can allocate" OFF)
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+option(LWS_REPRODUCIBLE "Build libwebsockets reproducible. It removes the build user and hostname from the build" ON)
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macro(confirm_command CMD NOCMD)
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find_program (HAVE_CMD_${CMD} ${CMD} )
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