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CMake: set MSVC warning level to 4

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The MSVC warning level defaults to 3 in CMake. Change it to 4, which is
consistent with the Visual Studio and NMake builds. Disable level 4
warning C4127 for the library and additionally C4306 for the test
servers to get a clean CURL_WERROR build as that warning is raised in
some macros in older Visual Studio versions.

Ref: https://github.com/curl/curl/pull/1667#issuecomment-314082794
Closes https://github.com/curl/curl/pull/1711
This commit is contained in:
Marcel Raad 2017-07-18 18:46:53 +02:00
parent 70934885d0
commit 866e02935d
No known key found for this signature in database
GPG Key ID: 33C416EFAE4D6F02
3 changed files with 10 additions and 0 deletions
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5
CMakeLists.txt
View File

@ -1161,6 +1161,11 @@ endif(WIN32)
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
if(CMAKE_C_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
else(CMAKE_C_FLAGS MATCHES "/W[0-4]")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
endif(CMAKE_C_FLAGS MATCHES "/W[0-4]")
endif(MSVC)
# Ugly (but functional) way to include "Makefile.inc" by transforming it (= regenerate it).

1
lib/CMakeLists.txt
View File

@ -12,6 +12,7 @@ list(APPEND HHEADERS
if(MSVC)
list(APPEND CSOURCES libcurl.rc)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4127")
endif()
# SET(CSOURCES

4
tests/server/CMakeLists.txt
View File

@ -1,5 +1,9 @@
set(TARGET_LABEL_PREFIX "Test server ")
if(MSVC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4127 /wd4306")
endif()
function(SETUP_EXECUTABLE TEST_NAME) # ARGN are the files in the test
add_executable( ${TEST_NAME} ${ARGN} )
string(TOUPPER ${TEST_NAME} UPPER_TEST_NAME)