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84338c4de2
Enable more picky compiler warnings. I've found these options in the nghttp3 project when implementing the CMake quick picky warning functionality for it [1]. `-Wunused-macros` was too noisy to keep around, but fixed a few issues it revealed while testing. - autotools: reflect the more precisely-versioned clang warnings. Follow-up to033f8e2a08#12324 - autotools: sync between clang and gcc the way we set `no-multichar`. - autotools: avoid setting `-Wstrict-aliasing=3` twice. - autotools: disable `-Wmissing-noreturn` for MSYS gcc targets [2]. It triggers in libtool-generated stub code. - lib/timeval: delete a redundant `!MSDOS` guard from a `WIN32` branch. - lib/curl_setup.h: delete duplicate declaration for `fileno`. Added in initial commitae1912cb0d(1999-12-29). This suggests this may not be needed anymore, but if it does, we may restore this for those specific (non-Windows) systems. - lib: delete unused macro `FTP_BUFFER_ALLOCSIZE` sincec1d6fe2aaa. - lib: delete unused macro `isxdigit_ascii` sincef65f750742. - lib/mqtt: delete unused macro `MQTT_HEADER_LEN`. - lib/multi: delete unused macro `SH_READ`/`SH_WRITE`. - lib/hostip: add `noreturn` function attribute via new `CURL_NORETURN` macro. - lib/mprintf: delete duplicate declaration for `Curl_dyn_vprintf`. - lib/rand: fix `-Wunreachable-code` and related fallouts [3]. - lib/setopt: fix `-Wunreachable-code-break`. - lib/system_win32 and lib/timeval: fix double declarations for `Curl_freq` and `Curl_isVistaOrGreater` in CMake UNITY mode [4]. - lib/warnless: fix double declarations in CMake UNITY mode [5]. This was due to force-disabling the header guard of `warnless.h` to to reapply it to source code coming after `warnless.c` in UNITY builds. This reapplied declarations too, causing the warnings. Solved by adding a header guard for the lines that actually need to be reapplied. - lib/vauth/digest: fix `-Wunreachable-code-break` [6]. - lib/vssh/libssh2: fix `-Wunreachable-code-break` and delete redundant block. - lib/vtls/sectransp: fix `-Wunreachable-code-break` [7]. - lib/vtls/sectransp: suppress `-Wunreachable-code`. Detected in `else` branches of dynamic feature checks, with results known at compile-time, e.g. ```c if(SecCertificateCopySubjectSummary) /* -> true */ ``` Likely fixable as a separate micro-project, but given SecureTransport is deprecated anyway, let's just silence these locally. - src/tool_help: delete duplicate declaration for `helptext`. - src/tool_xattr: fix `-Wunreachable-code`. - tests: delete duplicate declaration for `unitfail` [8]. - tests: delete duplicate declaration for `strncasecompare`. - tests/libtest: delete duplicate declaration for `gethostname`. Originally added in687df5c8c3(2010-08-02). Got complicated later:c49e9683b8If there are still systems around with warnings, we may restore the prototype, but limited for those systems. - tests/lib2305: delete duplicate declaration for `libtest_debug_config`. - tests/h2-download: fix `-Wunreachable-code-break`. [1]a70edb08e9/cmake/PickyWarningsC.cmake[2] https://ci.appveyor.com/project/curlorg/curl/builds/48553586/job/3qkgjauiqla5fj45?fullLog=true#L1675 [3] https://github.com/curl/curl/actions/runs/6880886309/job/18716044703?pr=12331#step:7:72 https://github.com/curl/curl/actions/runs/6883016087/job/18722707368?pr=12331#step:7:109 [4] https://ci.appveyor.com/project/curlorg/curl/builds/48555101/job/9g15qkrriklpf1ut#L204 [5] https://ci.appveyor.com/project/curlorg/curl/builds/48555101/job/9g15qkrriklpf1ut#L218 [6] https://github.com/curl/curl/actions/runs/6880886309/job/18716042927?pr=12331#step:7:290 [7] https://github.com/curl/curl/actions/runs/6891484996/job/18746659406?pr=12331#step:9:1193 [8] https://github.com/curl/curl/actions/runs/6882803986/job/18722082562?pr=12331#step:33:1870 Closes #12331
89 lines
3.4 KiB
CMake
89 lines
3.4 KiB
CMake
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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set(TARGET_LABEL_PREFIX "Test ")
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function(setup_test TEST_NAME) # ARGN are the files in the test
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if(LIB_SELECTED STREQUAL LIB_STATIC)
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# These are part of the libcurl static lib. Do not compile/link them again.
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list(REMOVE_ITEM ARGN ${WARNLESS} ${MULTIBYTE} ${TIMEDIFF})
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endif()
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add_executable(${TEST_NAME} EXCLUDE_FROM_ALL ${ARGN})
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add_dependencies(testdeps ${TEST_NAME})
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string(TOUPPER ${TEST_NAME} UPPER_TEST_NAME)
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include_directories(
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${CURL_SOURCE_DIR}/lib # To be able to reach "curl_setup_once.h"
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${CURL_BINARY_DIR}/lib # To be able to reach "curl_config.h"
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${CURL_BINARY_DIR}/include # To be able to reach "curl/curl.h"
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${CURL_SOURCE_DIR}/tests/libtest # To be able to build generated tests
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)
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if(USE_ARES)
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include_directories(${CARES_INCLUDE_DIR})
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endif()
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target_link_libraries(${TEST_NAME} ${LIB_SELECTED} ${CURL_LIBS})
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set_target_properties(${TEST_NAME}
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PROPERTIES COMPILE_DEFINITIONS ${UPPER_TEST_NAME})
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set_target_properties(${TEST_NAME}
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PROPERTIES PROJECT_LABEL "${TARGET_LABEL_PREFIX}${TEST_NAME}")
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endfunction()
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transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
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include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
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foreach(TEST_NAME ${noinst_PROGRAMS})
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if(DEFINED ${TEST_NAME}_SOURCES)
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setup_test(${TEST_NAME} ${${TEST_NAME}_SOURCES})
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else()
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setup_test(${TEST_NAME} ${nodist_${TEST_NAME}_SOURCES})
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endif()
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endforeach()
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# Allows for hostname override to make tests machine independent.
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# TODO this cmake build assumes a shared build, detect static linking here!
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if(NOT WIN32)
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add_library(hostname MODULE EXCLUDE_FROM_ALL sethostname.c)
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add_dependencies(testdeps hostname)
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# Output to .libs for compatibility with autotools, the test data expects a
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# library at (tests)/libtest/.libs/libhostname.so
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set_target_properties(hostname PROPERTIES
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LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/.libs)
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if(HIDES_CURL_PRIVATE_SYMBOLS)
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set_property(TARGET hostname APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
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set_property(TARGET hostname APPEND PROPERTY COMPILE_FLAGS ${CURL_CFLAG_SYMBOLS_HIDE})
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endif()
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endif()
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add_custom_command(
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OUTPUT lib1521.c
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COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/mk-lib1521.pl < ${CURL_SOURCE_DIR}/include/curl/curl.h > lib1521.c
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DEPENDS
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"${CMAKE_CURRENT_SOURCE_DIR}/mk-lib1521.pl"
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"${CURL_SOURCE_DIR}/include/curl/curl.h"
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VERBATIM)
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