A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
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Viktor Szakats 9bcdfb3809
GHA/distcheck: bump old cmake, switch to arm64 for performance
Bump CMake version in CMake integration tests for better performance
(8x on macOS, 2-3x on Windows) and native arm64 binaries.

- bump old CMake in integration tests to v3.19.8 (was: v3.11.4)
- switch to native arm64 CMake binaries on macOS.
- switch Linux CMake integration job to arm64.

Speed gains:
- Linux: 2m -> 1m30s
- macOS: 9-10m -> 1m15s
- Windows: 6-7m -> 2m43s

Before:
https://github.com/curl/curl/actions/runs/21255697172
https://github.com/curl/curl/actions/runs/21255020621

After:
https://github.com/curl/curl/actions/runs/21272021446

With this, CI is:
- no longer testing deprecated CMake versions.
  Follow-up to a7c974e038 #19902
- not testing the next (from 2026 April) minimum 3.18, but going for
  3.19 instead. For arm64 binaries on both macOS and Linux. There is
  no 3.18-specific CMake code in curl.

Cherry-picked from #20407
Closes #20408
2026-01-23 12:39:43 +01:00
.circleci runtests: detect bad libssh differently for test 1459 (fixing CircleCI libssh job) 2025-11-16 23:28:44 +01:00
.github GHA/distcheck: bump old cmake, switch to arm64 for performance 2026-01-23 12:39:43 +01:00
CMake cmake: always define CURL::win32_winsock on Windows in curl-config.cmake 2026-01-22 17:10:48 +01:00
docs tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
include build: merge TrackMemory (CURLDEBUG) into debug-enabled option 2026-01-19 18:43:17 +01:00
lib tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
LICENSES krb5: drop support for Kerberos FTP 2025-09-20 23:58:28 +02:00
m4 tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
projects tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
scripts tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
src tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
tests tidy-up: Markdown, clang-format nits 2026-01-22 23:44:47 +01:00
.dir-locals.el copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
.editorconfig .editorconfig: add 2025-09-02 08:36:40 +02:00
.git-blame-ignore-revs copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
.gitattributes winbuild: MS-DOS batch tidy-ups 2024-07-02 19:26:15 +02:00
.gitignore build: drop the winbuild build system 2025-09-20 01:20:25 +02:00
.mailmap REUSE: add copyright header to two files 2025-11-03 16:08:52 +01:00
acinclude.m4 windows: add build option to use the native CA store 2026-01-17 19:18:52 +01:00
appveyor.sh cmake: add CURL_DROP_UNUSED option to reduce binary sizes 2026-01-22 17:08:20 +01:00
appveyor.yml appveyor: simplify job configuration 2026-01-21 19:34:12 +01:00
buildconf copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
CHANGES.md CHANGES: fix typo in filename 2026-01-01 12:20:10 +01:00
CMakeLists.txt cmake: add CURL_DROP_UNUSED option to reduce binary sizes 2026-01-22 17:08:20 +01:00
configure.ac tidy-up: miscellaneous 2026-01-20 12:37:56 +01:00
COPYING COPYING: bump copyright year range to 1996 - 2026 2026-01-08 23:19:44 +01:00
curl-config.in autotools: tidy-up if expressions 2025-12-10 22:29:19 +01:00
Dockerfile Dockerfile: update debian:bookworm-slim Docker digest to d5d3f9c 2025-12-31 12:22:53 +01:00
GIT-INFO.md REUSE: add copyright header to two files 2025-11-03 16:08:52 +01:00
libcurl.pc.in configure: do not echo most inherited LDFLAGS to config files 2024-11-14 09:55:45 +01:00
Makefile.am tidy-up: miscellaneous 2026-01-15 13:06:13 +01:00
README FAQ/TODO/KNOWN_BUGS: convert to markdown 2025-12-09 10:52:56 +01:00
README.md tidy-up: URLs 2025-12-09 00:19:10 +01:00
RELEASE-NOTES RELEASE-NOTES: synced 2026-01-20 16:01:16 +01:00
renovate.json renovate: try to disable GitHub Actions updates differently 2025-12-14 09:17:08 +01:00
REUSE.toml REUSE: drop broken reference to MAIL-ETIQUETTE 2026-01-19 07:48:15 +01:00
SECURITY.md docs: Clarify OpenSSF Best Practices vs Scorecard 2024-08-22 11:50:20 +02:00

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curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.

Learn how to use curl by reading the man page or everything curl.

Find out how to install curl by reading the INSTALL document.

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