mirror of
https://git.tartarus.org/simon/putty.git
synced 2025-01-10 09:58:01 +00:00
1dcf1a41c5
Unfortunately, it gives an absolutely huge number of warnings, and it wouldn't be feasible to fix them all without risking introducing further bugs. Perhaps _after_ the next release branch it might be worth looking at some of them, but I don't think fixing them right now is viable. I've left it on for actual gcc, though, since the MinGW build seems OK with it.
184 lines
6.3 KiB
CMake
184 lines
6.3 KiB
CMake
set(PUTTY_MINEFIELD OFF
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CACHE BOOL "Build PuTTY with its built-in memory debugger 'Minefield'")
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set(PUTTY_GSSAPI ON
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CACHE BOOL "Build PuTTY with GSSAPI support")
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set(PUTTY_LINK_MAPS OFF
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CACHE BOOL "Attempt to generate link maps")
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set(PUTTY_EMBEDDED_CHM_FILE ""
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CACHE FILEPATH "Path to a .chm help file to embed in the binaries")
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function(define_negation newvar oldvar)
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if(${oldvar})
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set(${newvar} OFF PARENT_SCOPE)
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else()
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set(${newvar} ON PARENT_SCOPE)
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endif()
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endfunction()
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include(CheckIncludeFiles)
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include(CheckSymbolExists)
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include(CheckCSourceCompiles)
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# Still needed for AArch32 Windows builds
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set(CMAKE_REQUIRED_DEFINITIONS -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE)
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check_include_files("windows.h;winresrc.h" HAVE_WINRESRC_H)
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if(NOT HAVE_WINRESRC_H)
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# A couple of fallback names for the header file you can include in
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# .rc files. We conditionalise even these checks, to save effort at
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# cmake time.
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check_include_files("windows.h;winres.h" HAVE_WINRES_H)
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if(NOT HAVE_WINRES_H)
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check_include_files("windows.h;win.h" HAVE_WIN_H)
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endif()
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endif()
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check_include_files("stdint.h" HAVE_STDINT_H)
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define_negation(HAVE_NO_STDINT_H HAVE_STDINT_H)
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check_include_files("windows.h;multimon.h" HAVE_MULTIMON_H)
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define_negation(NO_MULTIMON HAVE_MULTIMON_H)
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check_include_files("windows.h;htmlhelp.h" HAVE_HTMLHELP_H)
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define_negation(NO_HTMLHELP HAVE_HTMLHELP_H)
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check_include_files("winsock2.h;afunix.h" HAVE_AFUNIX_H)
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check_symbol_exists(strtoumax "inttypes.h" HAVE_STRTOUMAX)
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check_symbol_exists(AddDllDirectory "windows.h" HAVE_ADDDLLDIRECTORY)
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check_symbol_exists(SetDefaultDllDirectories "windows.h"
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HAVE_SETDEFAULTDLLDIRECTORIES)
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check_symbol_exists(GetNamedPipeClientProcessId "windows.h"
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HAVE_GETNAMEDPIPECLIENTPROCESSID)
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check_symbol_exists(CreatePseudoConsole "windows.h" HAVE_CONPTY)
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check_c_source_compiles("
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#include <windows.h>
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GCP_RESULTSW gcpw;
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int main(void) { return 0; }
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" HAVE_GCP_RESULTSW)
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function(dwmapi_test_wrapper)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dwmapi.lib)
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check_c_source_compiles("
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#include <windows.h>
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#include <dwmapi.h>
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volatile HWND hwnd;
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int main(void) {
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RECT r;
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DwmGetWindowAttribute(hwnd, DWMWA_EXTENDED_FRAME_BOUNDS, &r, sizeof(r));
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}
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" HAVE_DWMAPI_H)
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set(HAVE_DWMAPI_H ${HAVE_DWMAPI_H} PARENT_SCOPE)
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endfunction()
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dwmapi_test_wrapper()
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set(NO_SECURITY ${PUTTY_NO_SECURITY})
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add_compile_definitions(
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_WINDOWS
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_CRT_SECURE_NO_WARNINGS
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_WINSOCK_DEPRECATED_NO_WARNINGS
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_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE)
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if(PUTTY_MINEFIELD)
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add_compile_definitions(MINEFIELD)
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endif()
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if(NOT PUTTY_GSSAPI)
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add_compile_definitions(NO_GSSAPI)
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endif()
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if(PUTTY_EMBEDDED_CHM_FILE)
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add_compile_definitions("EMBEDDED_CHM_FILE=\"${PUTTY_EMBEDDED_CHM_FILE}\"")
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endif()
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if(WINELIB)
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enable_language(RC)
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set(LFLAG_MANIFEST_NO "")
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elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC" OR
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CMAKE_C_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
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set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} /nologo /C1252")
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set(LFLAG_MANIFEST_NO "/manifest:no")
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else()
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set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -c1252")
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set(LFLAG_MANIFEST_NO "")
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endif()
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if(STRICT)
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if(CMAKE_C_COMPILER_ID MATCHES "GNU")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wpointer-arith -Wvla")
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elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wpointer-arith -Wvla")
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endif()
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
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# Turn off some warnings that I've just found too noisy.
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#
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# - 4244, 4267: "possible loss of data" when narrowing an integer
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# type (separate warning numbers for initialisers and
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# assignments). Every time I spot-check instances of this, they
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# turn out to be sensible (e.g. something was already checked, or
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# was assigned from a previous variable that must have been in
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# range). I don't think putting a warning-suppression idiom at
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# every one of these sites would improve code legibility.
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#
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# - 4018: "signed/unsigned mismatch" in integer comparison. Again,
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# comes up a lot, and generally my spot checks make it look as if
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# it's OK.
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#
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# - 4146: applying unary '-' to an unsigned type. We do that all
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# the time in deliberate bit-twiddling code like mpint.c or
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# crypto implementations.
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#
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# - 4293: warning about undefined behaviour if a shift count is too
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# big. We often do this inside a ?: clause which doesn't evaluate
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# the overlong shift unless the shift count _isn't_ too big. When
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# the shift count is constant, MSVC spots the potential problem
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# in one branch of the ?:, but doesn't also spot that that branch
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# isn't ever taken, so it complains about a thing that's already
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# guarded.
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#
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# - 4090: different 'const' qualifiers. It's a shame to suppress
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# this one, because const mismatches really are a thing I'd
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# normally like to be warned about. But MSVC (as of 2017 at
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# least) seems to have a bug in which assigning a 'void *' into a
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# 'const char **' thinks there's a const-qualifier mismatch.
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# There isn't! Both are pointers to modifiable objects. The fact
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# that in one case, the modifiable object is a pointer to
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# something _else_ const should make no difference.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
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/wd4244 /wd4267 /wd4018 /wd4146 /wd4293 /wd4090")
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endif()
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if(CMAKE_C_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} /dynamicbase /nxcompat")
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endif()
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set(platform_libraries
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advapi32.lib comdlg32.lib gdi32.lib imm32.lib
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ole32.lib shell32.lib user32.lib ws2_32.lib kernel32.lib)
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# Generate link maps
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if(PUTTY_LINK_MAPS)
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if(CMAKE_C_COMPILER_ID MATCHES "Clang" AND
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"x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
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set(CMAKE_C_LINK_EXECUTABLE
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"${CMAKE_C_LINK_EXECUTABLE} /lldmap:<TARGET>.map")
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elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
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set(CMAKE_C_LINK_EXECUTABLE
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"${CMAKE_C_LINK_EXECUTABLE} /map:<TARGET>.map")
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else()
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message(WARNING
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"Don't know how to generate link maps on this toolchain")
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endif()
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endif()
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# Write out a file in the cmake output directory listing the
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# executables that are 'official' enough to want to code-sign and
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# ship.
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file(WRITE ${CMAKE_BINARY_DIR}/shipped.txt "")
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function(installed_program target)
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file(APPEND ${CMAKE_BINARY_DIR}/shipped.txt
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"${target}${CMAKE_EXECUTABLE_SUFFIX}\n")
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endfunction()
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