- also detect nghttp2 via `pkg-config` to match nghttp3 detection
and autotools.
- enable nghttp2 by default to match autotools.
Cherry-picked from #14097Closes#14136
The oldest cmake supported by curl is v3.7.0, which already has such
guard (using `PKG_CONFIG_EXECUTABLE`) inside `pkg_check_modules()`. The
advantage of leaving that guard to CMake is that it will define/reset
all output variables, while the manual guard doesn't do this and also
leaves for example `NETTLE_FOUND` undefined.
Delete the single use of this guard from the recently added `nettle`
detection, where I included it by accident. Then possibly re-introduce
it universally if we find it useful after more evaluation.
Follow-up to 669ce42275#14285Closes#14309
`nettle` is a direct dependency of curl, when building with GnuTLS.
Add a new `Find` module to detect it.
Also:
- GHA/macos: drop `nettle` hack no longer necessary.
- add `nettle` to `libcurl.pc`.
- also add `nettle` to `libcurl.pc` in autotools builds.
Follow-up to 781242ffa4#11967Closes#14285
- sync detection snippet between autotools and cmake
It wasn't causing issues, but it's useful to avoid unnecessary
differences while debugging.
- cmake: limit check to `APPLE`.
Ref: b05dc7eb35#14122
Cherry-picked from #14097Closes#14127
- cmake: enable Apple-specific `-Werror=partial-availability` to match
autotools.
- autotools: enable `-pedantic-errors` with llvm/clang to match gcc and
CMake.
- autotools: enable `-Werror-implicit-function-declaration` for
llvm/clang to match gcc.
- cmake: enable `-Werror-implicit-function-declaration` to match
autotools.
- move `-Wpointer-bool-conversion` from autotools to the local file
(`sectransp.c`) it was meant to apply. This way it applies to all
build methods.
- autotoos: show `CURL_CFLAG_EXTRAS` in the `./configure` summary.
(it may contain `-Werror` and/or `-pedentic-errors`.)
Cherry-picked from #14097Closes#14128
- support detecting wolfSSL via pkg-config (like autotools.)
- detect wolfSSL version.
- detect `HAVE_WOLFSSL_DES_ECB_ENCRYPT`.
(needs e.g. `--enable-curl` when building wolfSSL)
- detect `HAVE_WOLFSSL_FULL_BIO` and enable HTTPS-proxy feature.
(needs e.g. `--enable-opensslall` when building wolfSSL)
- fix to show `HTTPS-proxy` in cmake feature list.
Ref: 55807e6c05#9962
- fix to show `NTLM` in cmake feature list.
- fix to show `smb` and `smbs` in cmake protocol list.
- add wolfSSL CMake job to GHA (for macOS).
- fix mqtt and wolfSSL symbol clash.
```
./curl/lib/mqtt.c: In function 'mqtt_doing':
./curl/lib/mqtt.c:746:17: error: declaration of 'byte' shadows a global declaration [-Werror=shadow]
746 | unsigned char byte;
| ^~~~
/opt/homebrew/Cellar/wolfssl/5.7.0_1/include/wolfssl/wolfcrypt/types.h:85:36: note: shadowed declaration is here
85 | typedef unsigned char byte;
| ^~~~
```
- format `FindWolfSSL.cmake` closer to neighbours.
Closes#14064
Currently, we use `pipe` for `wakeup_create`, which requires ***two***
file descriptors. Furthermore, given its complexity inside, `pipe` is a
bit heavyweight for just a simple event wait/notify mechanism.
`eventfd` would be a more suitable solution for this kind of scenario,
kernel also advocates for developers to use `eventfd` instead of `pipe`
in some simple use cases:
Applications can use an eventfd file descriptor instead of a pipe
(see pipe(2) in all cases where a pipe is used simply to signal
events. The kernel overhead of an eventfd file descriptor is much
lower than that of a pipe, and only one file descriptor is required
(versus the two required for a pipe).
This change adds the new backend of `eventfd` for `wakeup_create` and
uses it where available, eliminating the overhead of `pipe`. Also, it
optimizes the `wakeup_create` to eliminate the system calls that make
file descriptors non-blocking by moving the logic of setting
non-blocking flags on file descriptors to `socketpair.c` and using
`SOCK_NONBLOCK` for `socketpair(2)`, `EFD_NONBLOCK` for `eventfd(2)`.
Ref:
https://man7.org/linux/man-pages/man7/pipe.7.htmlhttps://man7.org/linux/man-pages/man2/eventfd.2.htmlhttps://man7.org/linux/man-pages/man2/socketpair.2.htmlhttps://www.gnu.org/software/gnulib/manual/html_node/eventfd.htmlCloses#13874
`CURLDEBUG` is meant to enable memory tracking, but in a bunch of cases,
it was protecting debug features that were supposed to be guarded with
`DEBUGBUILD`.
Replace these uses with `DEBUGBUILD`.
This leaves `CURLDEBUG` uses solely for its intended purpose: to enable
the memory tracking debug feature.
Also:
- autotools: rely on `DEBUGBUILD` to enable `checksrc`.
Instead of `CURLDEBUG`, which worked in most cases because debug
builds enable `CURLDEBUG` by default, but it's not accurate.
- include `lib/easyif.h` instead of keeping a copy of a declaration.
- add CI test jobs for the build issues discovered.
Ref: https://github.com/curl/curl/pull/13694#issuecomment-2120311894Closes#13718
Fix root cause that caused missing symbols when linking brotli
statically with e.g. binutils `ld` (and any other "picky" linker,
or "traditional" linker as CMake now calls them).
Also drop existing workaround that added brotli libs twice to the lib
list.
```
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.text$ProcessCommands[ProcessCommands]+0xbb5): undefined reference to `BrotliTransformDictionaryWord'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.text$SafeProcessCommands[SafeProcessCommands]+0xe8a): undefined reference to `BrotliTransformDictionaryWord'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.rdata$.refptr._kBrotliContextLookupTable[.refptr._kBrotliContextLookupTable]+0x0): undefined reference to `_kBrotliContextLookupTable'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.rdata$.refptr._kBrotliPrefixCodeRanges[.refptr._kBrotliPrefixCodeRanges]+0x0): undefined reference to `_kBrotliPrefixCodeRanges'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x21): undefined reference to `BrotliDefaultAllocFunc'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x2f): undefined reference to `BrotliDefaultFreeFunc'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x10e): undefined reference to `BrotliSharedDictionaryCreateInstance'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateCleanup[BrotliDecoderStateCleanup]+0xf4): undefined reference to `BrotliSharedDictionaryDestroyInstance'
collect2: error: ld returned 1 exit status
```
Breakage reproducible with curl-for-win config "`win-gcc`" and deleting
the `LDFLAGS+=' -Wl,--start-group'` line from its `curl.sh` script.
(Above line still required for some non-brotli cases, e.g. libssh2 and
zlib.)
Assisted-by: Kai Pastor
Ref: https://github.com/curl/curl/pull/10857#discussion_r1611714989
Follow-up to 1e3319a167#10857Closes#13761
The function signature has had u_long flags since ever. This is how it
is defined in the documentation, and implemented in MinGW.
The code that uses ioctlsocket in nonblock.c also has unsigned long.
Error:
CurlTests.c:275:41: error: passing argument 3 of 'ioctlsocket' from incompatible pointer type [-Wincompatible-pointer-types]
275 | if(0 != ioctlsocket(0, FIONBIO, &flags))
| ^~~~~~
| |
| int *
In file included from CurlTests.c:266:
/opt/mxe/usr/i686-w64-mingw32.static/include/winsock2.h:1007:76: note: expected 'u_long *' {aka 'long unsigned int *'} but argument is of type 'int *'
1007 | WINSOCK_API_LINKAGE int WSAAPI ioctlsocket(SOCKET s,__LONG32 cmd,u_long *argp);
| ~~~~~~~~^~~~
Closes#13578
Add the static library name, nghttp2_static as a name to search.
This provides cmake parity with the winbuild Makefile.vc allowing
the cmake build to find and allow the link to static nghttp2 library.
clang doesn't have the issues of GCC and old CMake versions.
Note: This introduces asymmetry with autotools, which only enables
this for GCC.
Reviewed-by: Daniel Stenberg
Closes#13286
- cmake: fix `-pedantic-errors` for old CMake with `CURL_WERROR=ON` set.
`-pedantic-errors` option throws a warning with GCC (all versions) and
makes `check_symbol_exists()` fail in CMake versions older than
v3.23.0 (2022-03-29), when CMake introduced a workaround:
https://gitlab.kitware.com/cmake/cmake/-/issues/13208eeb45401161ab7c3cd28
Follow-up to 3829759bd0#12489
- set `CURL_WERROR=ON` for the `linux-old` job in CI.
Closes#13282
Create ASCII version of manpage without nroff
- build src/tool_hugegelp.c from the ascii manpage
- move the the manpage and the ascii version build to docs/cmdline-opts
- remove all use of nroff from the build process
- should make the build entirely reproducible (by avoiding nroff)
- partly reverts 2620aa9 to build libcurl option man pages one by one
in cmake because the appveyor builds got all crazy until I did
The ASCII version of the manpage
- is built with gen.pl, just like the manpage is
- has a right-justified column making the appearance similar to the previous
version
- uses a 4-space indent per level (instead of the old version's 7)
- does not do hyphenation of words (which nroff does)
History
We first made the curl build use nroff for building the hugehelp file in
December 1998, for curl 5.2.
Closes#13047
- enable `-Wsign-conversion` warnings, but also setting them to not
raise errors.
- fix `-Warith-conversion` warnings seen in CI.
These are triggered by `-Wsign-converion` and causing errors unless
explicitly silenced. It makes more sense to fix them, there just a few
of them.
- fix some `-Wsign-conversion` warnings.
- hide `-Wsign-conversion` warnings with a `#pragma`.
- add macro `CURL_WARN_SIGN_CONVERSION` to unhide them on a per-build
basis.
- update a CI job to unhide them with the above macro:
https://github.com/curl/curl/actions/workflows/linux.yml -> OpenSSL -O3
Closes#12492
- make more obvious which detection uses which prep steps.
- merge and streamline conditions.
- these should not alter detection results.
Also align log output messages from
`Macros.cmake` / `curl_internal_test` with rest of the build.
Closes#12551
`winsock2.h` pulls in `windows.h`. `ws2tcpip.h` pulls in `winsock2.h`.
`winsock2.h` and `ws2tcpip.h` are also pulled by `curl/curl.h`.
Keep only those headers that are not already included, or the code under
it uses something from that specific header.
Closes#12539
This PR fixes a problem that happens during CMake configuration when
the `CMAKE_SYSTEM_NAME` set to `iOS` and not `Darwin`. This value is
available (as far as I remember) version 3.14. The final solution
(thanks to @vszakats) is to use `APPLE` which contains all the Apple
platforms https://cmake.org/cmake/help/latest/variable/APPLE.html.
This issue was found when during vcpkg installation. Running command
`vcpkg install curl:arm64-ios` and `vcpkg install curl:x64-ios` failed
with message:
```
CMake Error: try_run() invoked in cross-compiling mode, please set the following cache variables appropriately:
HAVE_H_ERRNO_ASSIGNABLE_EXITCODE (advanced)
```
After this fix, I was able to compile the compile the binary without
any issue.
In addition to that fix, this PR also contains an simplification to
check if the platform is not APPLE.
Co-authored-by: Viktor Szakats
Closes#12515
- autotools, cmake: assume that if we detect Windows, `windows.h`,
`winsock2.h` and `ws2tcpip.h` do exist.
- lib: fix 3 outlier `#if` conditions to use `USE_WINSOCK` instead of
looking for `winsock2.h`.
- autotools: merge 3 Windows check methods into one.
- move Watt-32 and lwIP socket support to `setup-win32.h` from
`config-win32.h`. It opens up using these with all build tools. Also
merge logic with Windows Sockets.
- fix to assume Windows sockets with the mingw32ce toolchain.
Follow-up to: 2748c64d60
- cmake: delete unused variable `signature_call_conv` since
eb33ccd533.
- autotools: simplify `CURL_CHECK_WIN32_LARGEFILE` detection.
- examples/externalsocket: fix header order.
- cmake/OtherTests.cmake: delete Windows-specific `_source_epilogue`
that wasn't used anymore.
- cmake/OtherTests.cmake: set `WIN32_LEAN_AND_MEAN` for test
`SIZEOF_STRUCT_SOCKADDR_STORAGE`.
After this patch curl universally uses `_WIN32` to guard
Windows-specific logic. It guards Windows Sockets-specific logic with
`USE_WINSOCK` (this might need further work).
Reviewed-by: Jay Satiro
Closes#12495
https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html
as of 2023-11-29 [1].
Enable new recommended warnings (except `-Wsign-conversion`):
- enable `-Wformat=2` for clang (in both cmake and autotools).
- add `CURL_PRINTF()` internal attribute and mark functions accepting
printf arguments with it. This is a copy of existing
`CURL_TEMP_PRINTF()` but using `__printf__` to make it compatible
with redefinting the `printf` symbol:
https://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_5.html#SEC94
- fix `CURL_PRINTF()` and existing `CURL_TEMP_PRINTF()` for
mingw-w64 and enable it on this platform.
- enable `-Wimplicit-fallthrough`.
- enable `-Wtrampolines`.
- add `-Wsign-conversion` commented with a FIXME.
- cmake: enable `-pedantic-errors` the way we do it with autotools.
Follow-up to d5c0351055#2747
- lib/curl_trc.h: use `CURL_FORMAT()`, this also fixes it to enable format
checks. Previously it was always disabled due to the internal `printf`
macro.
Fix them:
- fix bug where an `set_ipv6_v6only()` call was missed in builds with
`--disable-verbose` / `CURL_DISABLE_VERBOSE_STRINGS=ON`.
- add internal `FALLTHROUGH()` macro.
- replace obsolete fall-through comments with `FALLTHROUGH()`.
- fix fallthrough markups: Delete redundant ones (showing up as
warnings in most cases). Add missing ones. Fix indentation.
- silence `-Wformat-nonliteral` warnings with llvm/clang.
- fix one `-Wformat-nonliteral` warning.
- fix new `-Wformat` and `-Wformat-security` warnings.
- fix `CURL_FORMAT_SOCKET_T` value for mingw-w64. Also move its
definition to `lib/curl_setup.h` allowing use in `tests/server`.
- lib: fix two wrongly passed string arguments in log outputs.
Co-authored-by: Jay Satiro
- fix new `-Wformat` warnings on mingw-w64.
[1] 56c0fde389/docs/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C%2B%2B.mdCloses#12489
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 to 033f8e2a08#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 commit ae1912cb0d
(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` since
c1d6fe2aaa.
- lib: delete unused macro `isxdigit_ascii` since
f65f750742.
- 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 in 687df5c8c3
(2010-08-02).
Got complicated later: c49e9683b8
If 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:7:72https://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:33:1870Closes#12331
- cmake: sync some picky gcc warnings with autotools.
- cmake, autotools: add `-Wold-style-definition` for clang too.
- cmake: more precise version info for old clang options.
- cmake: use `IN LISTS` syntax in `foreach()`.
Reviewed-by: Daniel Stenberg
Reviewed-by: Marcel Raad
Closes#12324
Fixes errors on second `find_package(CURL)`. This is a frequent case
with transitive dependencies:
```
CMake Error at ...:
add_library cannot create ALIAS target "CURL::libcurl" because another
target with the same name already exists.
```
Test to reproduce:
```cmake
cmake_minimum_required(VERSION 3.27) # must be 3.18 or higher
project(curl)
set(CURL_DIR "example/lib/cmake/CURL/")
find_package(CURL CONFIG REQUIRED)
find_package(CURL CONFIG REQUIRED) # fails
add_executable(main main.c)
target_link_libraries(main CURL::libcurl)
```
Ref: https://cmake.org/cmake/help/latest/release/3.18.html#other-changes
Ref: https://cmake.org/cmake/help/v3.18/policy/CMP0107.html
Ref: #12300
Assisted-by: Harry Mallon
Closes#11913
We use `stdint.h` unconditionally in all places except one. These uses
are imposed by external dependencies / features. nghttp2, quic, wolfSSL
and `HAVE_MACH_ABSOLUTE_TIME` do require this C99 header. It means that
any of these features make curl require a C99 compiler. (In case of
MSVC, this means Visual Studio 2010 or newer.)
This patch changes the single use of `stdint.h` guarded by
`HAVE_STDINT_H` to use `stdint.h` unconditionally. Also stop using
`inttypes.h` as an alternative there. `HAVE_INTTYPES_H` wasn't used
anywhere else, allowing to delete this feature check as well.
Closes#12275
After this patch we assume availability of `getaddrinfo` and
`freeaddrinfo`, first introduced in Windows XP. Meaning curl
now requires building for Windows XP as a minimum.
TODO: assume these also in autotools.
Ref: https://github.com/curl/curl/pull/12221#issuecomment-1783761806Closes#12225
Before this patch we detected the presence of a specific zstd API to
see if we can use the library. zstd published that API in its first
stable release: v1.0.0 (2016-08-31).
Replace that method by detecting the zstd library version instead and
accepting if it's v1.0.0 or newer. Also display this detected version
and display a warning if the zstd found is unfit for curl.
We use the same version detection method as zstd itself, via its public
C header.
This deviates from autotools which keeps using the slow method of
looking for the API by building a test program. The outcome is the same
as long as zstd keeps offering this API.
Ref: 5a0c8e2439 (2016-08-12, committed)
Ref: https://github.com/facebook/zstd/releases/tag/v0.8.1 (2016-08-18, first released)
Ref: https://github.com/facebook/zstd/releases/tag/v1.0.0
Reviewed-by: Daniel Stenberg
Closes#12200
The goal of this patch is to avoid unnecessary feature detection work
when doing Windows builds with CMake. Do this by pre-filling well-known
detection results for Windows and specifically for mingw-w64 and MSVC
compilers. Also limit feature checks to platforms where the results are
actually used. Drop a few redundant ones. And some tidying up.
- pre-fill remaining detection values in Windows CMake builds.
Based on actual detection results observed in CI runs, preceding
similar work over libssh2 and matching up values with
`lib/config-win32.h`.
This brings down CMake configuration time from 58 to 14 seconds on the
same local machine.
On AppVeyor CI this translates to:
- 128 seconds -> 50 seconds VS2022 MSVC with OpenSSL (per CMake job):
https://ci.appveyor.com/project/curlorg/curl/builds/48208419/job/4gw66ecrjpy7necb#L296https://ci.appveyor.com/project/curlorg/curl/builds/48217440/job/8m4fwrr2fe249uo8#L186
- 62 seconds -> 16 seconds VS2017 MINGW (per CMake job):
https://ci.appveyor.com/project/curlorg/curl/builds/48208419/job/s1y8q5ivlcs7ub29?fullLog=true#L290https://ci.appveyor.com/project/curlorg/curl/builds/48217440/job/pchpxyjsyc9kl13a?fullLog=true#L194
The formula is about 1-3 seconds delay for each detection. Almost all
of these trigger a full compile-link cycle behind the scenes, slow
even today, both cross and native, mingw-w64 and apparently MSVC too.
Enabling .map files or other custom build features slows it down
further. (Similar is expected for autotools configure.)
- stop detecting `idn2.h` if idn2 was deselected.
autotools does this.
- stop detecting `idn2.h` if idn2 was not found.
This deviates from autotools. Source code requires both header and
lib, so this is still correct, but faster.
- limit `ADDRESS_FAMILY` detection to Windows.
- normalize `HAVE_WIN32_WINNT` value to lowercase `0x0a12` format.
- pre-fill `HAVE_WIN32_WINNT`-dependent detection results.
Saving 4 (slow) feature-detections in most builds: `getaddrinfo`,
`freeaddrinfo`, `inet_ntop`, `inet_pton`
- fix pre-filled `HAVE_SYS_TIME_H`, `HAVE_SYS_PARAM_H`,
`HAVE_GETTIMEOFDAY` for mingw-w64.
Luckily this do not change build results, as `WIN32` took
priority over `HAVE_GETTIMEOFDAY` with the current source
code.
- limit `HAVE_CLOCK_GETTIME_MONOTONIC_RAW` and
`HAVE_CLOCK_GETTIME_MONOTONIC` detections to non-Windows.
We're not using these in the source code for Windows.
- reduce compiler warning noise in CMake internal logs:
- fix to include `winsock2.h` before `windows.h`.
Apply it to autotools test snippets too.
- delete previous `-D_WINSOCKAPI_=` hack that aimed to fix the above.
- cleanup `CMake/CurlTests.c` to emit less warnings.
- delete redundant `HAVE_MACRO_SIGSETJMP` feature check.
It was the same check as `HAVE_SIGSETJMP`.
- delete 'experimental' marking from `CURL_USE_OPENSSL`.
- show CMake version via `CMakeLists.txt`.
Credit to the `zlib-ng` project for the idea:
61e181c8ae/CMakeLists.txt (L7)
- make `CMake/CurlTests.c` pass `checksrc`.
- `CMake/WindowsCache.cmake` tidy-ups.
- replace `WIN32` guard with `_WIN32` in `CMake/CurlTests.c`.
Closes#12044
The idea of `check_library_exists_concat()` is that it detects an
optional component and adds it to the list of libs that we also use in
subsequent component checks. This caused problems when detecting
components with unnecessary dependencies that were not yet built.
CMake offers the `CMAKE_REQUIRED_LIBRARIES` variable to set libs used
for component checks, which we already use in most cases. That left 4
uses of `check_library_exists_concat()`. Only one of these actually
needed the 'concat' feature (ldap/lber).
Delete this function and replace it with standard
`check_library_exists()` and manual management of our `CURL_LIBS`
list we use when linking build targets. And special logic to handle the
ldap/lber case.
(We have a similar function for headers: `check_include_file_concat()`.
It works, but problematic for performance reasons and because it hides
the actual headers required in `check_symbol_exists()` calls.)
Ref: #11537#11558Fixes#11285Fixes#11648Closes#12070
Fix `HAVE_H_ERRNO_ASSIGNABLE` to not run, only compile its test snippet,
aligning this with autotools. This fixes an error when doing
cross-builds and also actually detects this feature. It affected systems
not allowlisted into this, e.g. SerenityOS.
We used this detection result to enable `HAVE_GETADDRINFO_THREADSAFE`.
Follow-up to 04a3a377d8#11979
Ref: #12095 (closed in favour of this patch)
Ref: #11964 (effort to sync cmake detections with autotools)
Reported-by: Kartatz on Github
Assisted-by: Kartatz on Github
Fixes#12093Closes#12094
Based on existing autotools logic.
autotools checks for old versions of the allowlisted target OSes and
disables this feature when seeing them. In CMake we assume we're running
on newer systems and enable regardless of OS version.
autotools always runs all 3 probes for non-fast-tracked systems and
enables this feature if any one of them was successful. To save
configuration time, CMake stops at the first successful check.
OpenBSD is not fast-tracked and then gets blocklisted as a generic BSD
system. I haven't double-checked if this is correct, but looks odd.
Ref: #11964 (effort to sync cmake detections with autotools)
Closes#11979
`basename` is present in mingw-w64, missing from MSVC. Pre-cache
accordingly to make configure faster.
Notice that `basename` has a bug so we later disable it even with
mingw-w64:
781242ffa4/lib/curl_setup.h (L820-L825)Closes#11974
- check for arc4random. To make rand.c use it accordingly.
- check for fcntl
- fix fseek detection
- add SIZEOF_CURL_SOCKET_T
- fix USE_UNIX_SOCKETS
- define HAVE_SNPRINTF to 1
- check for fnmatch
- check for sched_yield
- remove HAVE_GETPPID duplicate from curl_config.h
- add HAVE_SENDMSG
Ref: #11964
Co-authored-by: Viktor Szakats
Closes#11973
- `HAVE_MEMRCHR` for `memrchr`.
- `HAVE_GETIFADDRS` for `getifaddrs`.
This was present in `lib/curl_config.h.cmake` but missed the detection
logic.
To match existing autotools feature checks.
Closes#11954
Delete checks and guards for standard C89 headers and assume these are
available: `stdio.h`, `string.h`, `time.h`, `setjmp.h`, `stdlib.h`,
`stddef.h`, `signal.h`.
Some of these we already used unconditionally, some others we only used
for feature checks.
Follow-up to 9c7165e96a#11918 (for `stdio.h` in CMake)
Closes#11940
