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4 days agoci: Update macOS images used (#1432) master
Raihaan Shouhell [Mon, 15 Apr 2024 19:16:49 +0000 (03:16 +0800)] 
ci: Update macOS images used (#1432)

Updates macos images used. macOS-14 is M1 arm64. Macos11 has been
deprecated and will be removed in june

5 days agoperf: Use copyfile(3) on apple systems (#1430)
Raihaan Shouhell [Sun, 14 Apr 2024 07:48:44 +0000 (15:48 +0800)] 
perf: Use copyfile(3) on apple systems (#1430)

Use copyfile for more efficient copying on OSX.

5 days agofeat: Add sloppiness for .incbin handling (#1423)
Raihaan Shouhell [Sun, 14 Apr 2024 07:44:40 +0000 (15:44 +0800)] 
feat: Add sloppiness for .incbin handling (#1423)

Code to address some issues in #1421.

6 days agoperf: Use sendfile(2) for file copying (#1427)
Raihaan Shouhell [Sat, 13 Apr 2024 18:33:31 +0000 (02:33 +0800)] 
perf: Use sendfile(2) for file copying (#1427)

Use sendfile for file copying as it avoids copying the data to
user-space and back to kernel space.

6 days agobump: Upgrade to blake3 1.5.1 (#1428)
Raihaan Shouhell [Sat, 13 Apr 2024 18:14:46 +0000 (02:14 +0800)] 
bump: Upgrade to blake3 1.5.1 (#1428)

Update our dependencies

6 days agoci: Disable building test on macOS binaries (#1426)
Raihaan Shouhell [Sat, 13 Apr 2024 14:42:33 +0000 (22:42 +0800)] 
ci: Disable building test on macOS binaries (#1426)

We don't run the tests when building macOS universal binaries as it's
covered elsewhere so we can save some compile time by removing test
builds.

9 days agochore: Fix path to build-in-docker
Joel Rosdahl [Wed, 10 Apr 2024 16:30:16 +0000 (18:30 +0200)] 
chore: Fix path to build-in-docker

10 days agofeat: Clear manifest on recache
Joel Rosdahl [Tue, 9 Apr 2024 17:47:44 +0000 (19:47 +0200)] 
feat: Clear manifest on recache

If there are bad entries in the manifest it doesn't help to run with
recache if the new entry (resulting from the recached compilation)
already exists as an older entry in the manifest.

Improve this by not populating the manifest in recache mode.

13 days agochore: Suppress false positive typos
Joel Rosdahl [Sat, 6 Apr 2024 08:09:13 +0000 (10:09 +0200)] 
chore: Suppress false positive typos

13 days agochore: Sort list
Joel Rosdahl [Sat, 6 Apr 2024 08:08:51 +0000 (10:08 +0200)] 
chore: Sort list

2 weeks agotest: Don't leave fs_test.tmp* files after InodeCache unit tests
Joel Rosdahl [Mon, 1 Apr 2024 19:24:14 +0000 (21:24 +0200)] 
test: Don't leave fs_test.tmp* files after InodeCache unit tests

2 weeks agochore: Add fedora-40 dockerfile
Joel Rosdahl [Sat, 30 Mar 2024 19:16:58 +0000 (20:16 +0100)] 
chore: Add fedora-40 dockerfile

2 weeks agochore: Fix typo in LICENSE.adoc
Joel Rosdahl [Wed, 27 Mar 2024 20:06:48 +0000 (21:06 +0100)] 
chore: Fix typo in LICENSE.adoc

3 weeks agobuild: Move add_compile_flag_if_supported to Utils.cmake
Joel Rosdahl [Sun, 17 Mar 2024 18:13:27 +0000 (19:13 +0100)] 
build: Move add_compile_flag_if_supported to Utils.cmake

3 weeks agoci: Sort package list
Joel Rosdahl [Sun, 17 Mar 2024 15:01:39 +0000 (16:01 +0100)] 
ci: Sort package list

3 weeks agochore: Remove redundant copy of DEF_WRAP_1_R
Joel Rosdahl [Sun, 17 Mar 2024 20:38:34 +0000 (21:38 +0100)] 
chore: Remove redundant copy of DEF_WRAP_1_R

3 weeks agochore: Remove unsupported ubuntu-18.04 build from misc/test-all-systems
Joel Rosdahl [Sun, 17 Mar 2024 14:57:02 +0000 (15:57 +0100)] 
chore: Remove unsupported ubuntu-18.04 build from misc/test-all-systems

3 weeks agochore: Make it possible to run misc/build-in-docker from any directory
Joel Rosdahl [Sun, 17 Mar 2024 14:56:47 +0000 (15:56 +0100)] 
chore: Make it possible to run misc/build-in-docker from any directory

3 weeks agochore: Fix build parallelism in ci/build again
Joel Rosdahl [Sun, 17 Mar 2024 14:55:19 +0000 (15:55 +0100)] 
chore: Fix build parallelism in ci/build again

The -j option was removed in 39dcc7488159e6812292ecbd15a1ed25ade493a2,
but that means that builds using make will be serial. Thus add the
option again.

3 weeks agochore: Start docker containers with --init
Joel Rosdahl [Sun, 17 Mar 2024 14:37:11 +0000 (15:37 +0100)] 
chore: Start docker containers with --init

3 weeks agochore: Fix grammar
Joel Rosdahl [Sun, 17 Mar 2024 09:53:21 +0000 (10:53 +0100)] 
chore: Fix grammar

3 weeks agorefactor: Use {read,write}_file for MSYS2 code paths in LockFile
Joel Rosdahl [Sat, 23 Mar 2024 15:39:07 +0000 (16:39 +0100)] 
refactor: Use {read,write}_file for MSYS2 code paths in LockFile

3 weeks agoenhance: Implement O_EXCL mode for util::write_file
Joel Rosdahl [Sat, 23 Mar 2024 15:29:59 +0000 (16:29 +0100)] 
enhance: Implement O_EXCL mode for util::write_file

3 weeks agorefactor: Let util::read_file stat fd on POSIX as well
Joel Rosdahl [Sat, 23 Mar 2024 15:03:34 +0000 (16:03 +0100)] 
refactor: Let util::read_file stat fd on POSIX as well

3 weeks agoenhance: Teach DirEntry how to stat a file descriptor
Joel Rosdahl [Sat, 23 Mar 2024 15:02:13 +0000 (16:02 +0100)] 
enhance: Teach DirEntry how to stat a file descriptor

3 weeks agofix: Adapt util::LockFile to MSYS2 (#1416)
Kreijstal [Sat, 23 Mar 2024 15:07:49 +0000 (16:07 +0100)] 
fix: Adapt util::LockFile to MSYS2 (#1416)

MSYS2 will not let you create a symlink to a nonexistent file, only to
an already existing file. To overcome this issue we use files, and write
content on it.

For Cygwin/MSYS2, the patch leverages POSIX `open` with the flags
`O_WRONLY | O_CREAT | O_EXCL`, effectively creating an exclusive lock
file. As suggested by @jrosdahl , thank you so much for the suggestion.
This still does not pass the test suite, but makes ccache usable.

3 weeks agoperf: Optimize file reading on Windows (#1418)
Joel Rosdahl [Sat, 23 Mar 2024 11:54:45 +0000 (12:54 +0100)] 
perf: Optimize file reading on Windows (#1418)

Reading the file in do_hash_file as Bytes skips CRLF to LF conversion
and is therefore way faster.

Optimize read_file size_hint on Windows by getting the file size of the
existing handle instead of opening a duplicate one.

4 weeks agoOptimize read_file size_hint on Windows 1418/head
Clemens Wasser [Wed, 20 Mar 2024 12:40:58 +0000 (13:40 +0100)] 
Optimize read_file size_hint on Windows

4 weeks agoRead file in do_hash_file as Bytes
Clemens Wasser [Wed, 20 Mar 2024 12:40:31 +0000 (13:40 +0100)] 
Read file in do_hash_file as Bytes

4 weeks agofix: Don't use Windows lockfile implementation on MSYS2
Joel Rosdahl [Sun, 17 Mar 2024 14:57:36 +0000 (15:57 +0100)] 
fix: Don't use Windows lockfile implementation on MSYS2

This reverts commit c6a6e6accefe9e79601e56be5f7438cb593ff016, as
requested in #1415.

4 weeks agobuild: Use Windows BLAKE3 implementation on MSYS2
Joel Rosdahl [Sun, 17 Mar 2024 11:41:06 +0000 (12:41 +0100)] 
build: Use Windows BLAKE3 implementation on MSYS2

Related to issue #1415.

4 weeks agofix: Use Windows lockfile implementation on MSYS2
Joel Rosdahl [Sun, 17 Mar 2024 11:37:55 +0000 (12:37 +0100)] 
fix: Use Windows lockfile implementation on MSYS2

Likely fixes #1415.

4 weeks agofeat: Add knowledge about Xcode -ivfsstatcache option
Joel Rosdahl [Sat, 16 Mar 2024 20:55:41 +0000 (21:55 +0100)] 
feat: Add knowledge about Xcode -ivfsstatcache option

Closes #1414.

4 weeks agobuild: Move CMake configuration of dependencies to a separate file
Joel Rosdahl [Sun, 25 Feb 2024 09:34:02 +0000 (10:34 +0100)] 
build: Move CMake configuration of dependencies to a separate file

4 weeks agoci: Add CMake toolchain files for cross-compiling to Windows
Joel Rosdahl [Mon, 11 Mar 2024 19:24:36 +0000 (20:24 +0100)] 
ci: Add CMake toolchain files for cross-compiling to Windows

4 weeks agobuild: Remove obsolete CMake version check
Joel Rosdahl [Fri, 8 Mar 2024 19:43:53 +0000 (20:43 +0100)] 
build: Remove obsolete CMake version check

4 weeks agotest: Include unistd.h for getpid
Joel Rosdahl [Thu, 7 Mar 2024 20:53:07 +0000 (21:53 +0100)] 
test: Include unistd.h for getpid

4 weeks agofix: Reduce the risk of false positive direct mode hits
Joel Rosdahl [Sat, 16 Mar 2024 13:42:00 +0000 (14:42 +0100)] 
fix: Reduce the risk of false positive direct mode hits

To reduce the risk of getting a false positive hit when a directory
early in the include path now exists, record whether include directories
and similar input paths exist. Note that this is not 100% waterproof
since it only detects newly appearing directories and not newly
appearing header files.

5 weeks agochore: Improve source tree structure
Joel Rosdahl [Wed, 21 Feb 2024 21:03:43 +0000 (22:03 +0100)] 
chore: Improve source tree structure

In preparation for adding support for using dependencies from the system
in addition to bundled or downloaded dependencies, restructure the
source tree so that:

- Third party headers are included without a third_party/ prefix, e.g.
  #include <xxhash.h> instead of #include <third_party/xxhash.h>.
- Ccache headers are included with a ccache/ prefix, e.g. #include
  <ccache/util/string.hpp> instead of #include <util/string.hpp>.

This keeps ccache and other headers separated but in another way than
before.

5 weeks agochore: Remove internal tracing framework
Joel Rosdahl [Wed, 21 Feb 2024 20:20:58 +0000 (21:20 +0100)] 
chore: Remove internal tracing framework

The internal tracing calls enabled by ENABLE_TRACING work fine, but I
have found that I never use them or add tracepoints to new code, so in
reality they mostly contribute with dead weight. In an effort to reduce
the amount of dependencies, I have therefore decided to remove the trace
calls, including the bundled minitrace sources.

6 weeks agofix: Hash arguments that affect PCH result with MSVC /Yu
Thomas Ferrand [Wed, 6 Mar 2024 19:41:13 +0000 (20:41 +0100)] 
fix: Hash arguments that affect PCH result with MSVC /Yu

Fixes #1410.

6 weeks agofeat: Add -fprofile-update support (#1408)
Raihaan Shouhell [Sat, 2 Mar 2024 08:37:14 +0000 (16:37 +0800)] 
feat: Add -fprofile-update support (#1408)

8 weeks agofix: Allow nonexistent include files in preprocessor mode
Joel Rosdahl [Wed, 21 Feb 2024 19:25:03 +0000 (20:25 +0100)] 
fix: Allow nonexistent include files in preprocessor mode

After 43c3a44aadcb nonexistent include files found in the preprocessed
output would increment "Could not read or parse input file" and fall
back to just running the compiler. This made ccache not attempt
preprocessor mode for generated code with #line header referencing files
that can't be found, e.g. in an out-of-source build scenario.

Fix this by just disabling direct mode, restoring the pre-43c3a44aadcb
behavior in such cases.

Fixes #1406.

8 weeks agochore: Rename util/fmtmacros.hpp to util/format.hpp
Joel Rosdahl [Mon, 19 Feb 2024 19:26:12 +0000 (20:26 +0100)] 
chore: Rename util/fmtmacros.hpp to util/format.hpp

8 weeks agochore: Add missing #includes
Joel Rosdahl [Mon, 19 Feb 2024 19:10:02 +0000 (20:10 +0100)] 
chore: Add missing #includes

2 months agorefactor: Use util::Bytes::insert for span<const uint8_t>
Joel Rosdahl [Sun, 18 Feb 2024 08:43:34 +0000 (09:43 +0100)] 
refactor: Use util::Bytes::insert for span<const uint8_t>

2 months agoenhance: Add util::Bytes::insert for span<const uint8_t>
Joel Rosdahl [Sun, 18 Feb 2024 08:40:15 +0000 (09:40 +0100)] 
enhance: Add util::Bytes::insert for span<const uint8_t>

2 months agorefactor: Avoid raw fmt::format call in TextTable
Joel Rosdahl [Sun, 18 Feb 2024 08:33:36 +0000 (09:33 +0100)] 
refactor: Avoid raw fmt::format call in TextTable

2 months agochore: Clean up usage of #include in headers
Joel Rosdahl [Sat, 17 Feb 2024 08:46:41 +0000 (09:46 +0100)] 
chore: Clean up usage of #include in headers

2 months agochore: Tweak formatting and comments
Joel Rosdahl [Mon, 12 Feb 2024 20:35:15 +0000 (21:35 +0100)] 
chore: Tweak formatting and comments

2 months agoci: Add new compilers and update actions (#1402)
Raihaan Shouhell [Sun, 11 Feb 2024 17:21:18 +0000 (01:21 +0800)] 
ci: Add new compilers and update actions (#1402)

2 months agofeat: Add support for -fcallgraph-info (#1401)
Raihaan Shouhell [Sun, 11 Feb 2024 17:20:38 +0000 (01:20 +0800)] 
feat: Add support for -fcallgraph-info (#1401)

2 months agofix: Mark -fcallgraph-info as too hard
Joel Rosdahl [Sun, 11 Feb 2024 15:26:03 +0000 (16:26 +0100)] 
fix: Mark -fcallgraph-info as too hard

-fcallgraph-info generates a .ci file which ccache currently doesn't
know how to store and restore.

Fixes #1400.

2 months agofeat: Port the inode cache to Windows (#1388)
Thomas Ferrand [Sun, 11 Feb 2024 15:11:47 +0000 (16:11 +0100)] 
feat: Port the inode cache to Windows (#1388)

This PR ports the existing InodeCache to make it work under Windows.
This speeds up ccache a lot, both in the hit and miss cases, when a lot
of headers files are included in several compilation units. In our case
this makes the difference between ccache being worth using or not.

The logic of the InodeCache itself is unchanged. I introduced a
MemoryMap helper class that does the platform specific calls to
mmap/MapViewOfFile. Despite its generic name, I've implemented what was
needed for the InodeCache, it only supports mapping a file (no anonymous
mmap) in a shared fashion with read/write access.
Due to differences in behavior between unix and Windows regarding
unlinking a file that is opened, I am not convinced that it will work
correctly in every situation (for example if a process hold a bucket
lock for more than 5 seconds, the cache is dropped and recreated, under
Windows that won't work as the unlink will fail). That being said it
seems to work well enough when nothing unexpected happens.

I made a small change to the unit test because under Windows, we can't
open() a directory so instead I try to open a temp file in that
directory. After that change the unit tests pass unmodified.
For the bash based test, only the symbolic link test fails. This is
quite strange, when I try to run the test, the call to `ln -fs test1.c
test2.c` fails, but when run manually the same command succeeds. I tried
to run the test manually and it fails anyway but I haven't done anything
to fix it, this looks like more an issue from the DirEntry side than the
InodeCache side. Because of that I've left the bash based test disabled
for Windows, maybe we want to change that to only disable the symbolic
link test?

2 months agochore: Use brace initialization for integer literals
Joel Rosdahl [Sun, 11 Feb 2024 11:07:27 +0000 (12:07 +0100)] 
chore: Use brace initialization for integer literals

2 months agochore: Bail out on too large files on 32-bit systems
Joel Rosdahl [Sat, 10 Feb 2024 20:33:08 +0000 (21:33 +0100)] 
chore: Bail out on too large files on 32-bit systems

2 months agochore: Improve log messages for selected compression level
Joel Rosdahl [Sat, 10 Feb 2024 09:35:56 +0000 (10:35 +0100)] 
chore: Improve log messages for selected compression level

2 months agoperf: Avoid value initialization of data in util::Bytes
Joel Rosdahl [Sat, 10 Feb 2024 09:14:44 +0000 (10:14 +0100)] 
perf: Avoid value initialization of data in util::Bytes

2 months agofix: Fix reading of files larger than 2^31 bytes
Joel Rosdahl [Sat, 10 Feb 2024 08:54:19 +0000 (09:54 +0100)] 
fix: Fix reading of files larger than 2^31 bytes

For some kernels read(2) makes a short read for counts larger than 2^31,
even for files on 64-bit architectures. Other kernels seem to not like
large counts at all, returning a failure.

Fix this by limiting the read buffer to a smaller value. This also
removes a short read optimization which should have been removed in
cff3bf417420ea88fe53e7267ae2a356898ae326.

2 months agochore: Further improve /Tc and /Tp handling
Joel Rosdahl [Wed, 7 Feb 2024 20:09:02 +0000 (21:09 +0100)] 
chore: Further improve /Tc and /Tp handling

- Remember if /Tc or /Tp was used and prepend it to the source file sent
  to the preprocessor and compiler.
- Mark non-concatenated versions of /Tc and /Tp as too hard for now.

2 months agochore: Fix grammar in NEWS
Joel Rosdahl [Wed, 7 Feb 2024 16:47:51 +0000 (17:47 +0100)] 
chore: Fix grammar in NEWS

2 months agochore: Update NEWS
Joel Rosdahl [Mon, 5 Feb 2024 19:27:16 +0000 (20:27 +0100)] 
chore: Update NEWS

(cherry picked from commit ec510e9b0f333b8e97aee98108de3e0858340d59)

2 months agochore: Update copyright years
Joel Rosdahl [Mon, 5 Feb 2024 19:17:16 +0000 (20:17 +0100)] 
chore: Update copyright years

2 months agofix: Fix MSVC crash when using /Zi /Fddebug.pdb
Joel Rosdahl [Mon, 5 Feb 2024 18:51:49 +0000 (19:51 +0100)] 
fix: Fix MSVC crash when using /Zi /Fddebug.pdb

With /Zi, MSVC starts a long-lived mspdbsrv.exe background process. The
implementation of #1274 kills all processes created by ccache including
mspdbsrv.exe, which can make cl.exe crash with this error message:

    fatal error C1090: PDB API call failed, error code '23': (0x000006BA)

Fix this by setting JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK to only kill
the compiler and not processes that the compiler creates.

Fixes #1386 in a better way.

2 months agochore: Undo revert in "Fix MSVC crash when using /Zi /Fddebug.pdb"
Joel Rosdahl [Mon, 5 Feb 2024 18:42:57 +0000 (19:42 +0100)] 
chore: Undo revert in "Fix MSVC crash when using /Zi /Fddebug.pdb"

In preparation for solving #1386 while keeping the essence of #1274.

This reverts commit a2bf2956d78599b2397081a9e7b253a569c7c932.

2 months agofix: Don't crash on full disk when recompressing the cache
Joel Rosdahl [Sun, 4 Feb 2024 14:33:51 +0000 (15:33 +0100)] 
fix: Don't crash on full disk when recompressing the cache

2 months agochore: Make implementation of /Tc and /Tp actually work
Joel Rosdahl [Sun, 4 Feb 2024 08:26:26 +0000 (09:26 +0100)] 
chore: Make implementation of /Tc and /Tp actually work

In addition to 7b8aaf562feb.

2 months agofix: Detect bad remote storage URLs gracefully again
Joel Rosdahl [Sat, 3 Feb 2024 19:49:57 +0000 (20:49 +0100)] 
fix: Detect bad remote storage URLs gracefully again

Regression in 829f93c48f21.

Fixes #1394.

2 months agofeat: Add support for MSVC /Tc and /Tp options
Joel Rosdahl [Sat, 3 Feb 2024 16:13:12 +0000 (17:13 +0100)] 
feat: Add support for MSVC /Tc and /Tp options

Closes #1387.

2 months agobump: Upgrade to fmt 10.2.1
Joel Rosdahl [Sat, 3 Feb 2024 09:46:33 +0000 (10:46 +0100)] 
bump: Upgrade to fmt 10.2.1

2 months agorefactor: Simplify Statistics::format_machine_readable slightly
Joel Rosdahl [Sat, 3 Feb 2024 09:42:29 +0000 (10:42 +0100)] 
refactor: Simplify Statistics::format_machine_readable slightly

2 months agobump: Upgrade to cpp-httplib 0.15.2
Joel Rosdahl [Wed, 31 Jan 2024 17:00:43 +0000 (18:00 +0100)] 
bump: Upgrade to cpp-httplib 0.15.2

2 months agofix: Fix MSVC crash when using /Zi /Fddebug.pdb
Joel Rosdahl [Mon, 22 Jan 2024 18:56:11 +0000 (19:56 +0100)] 
fix: Fix MSVC crash when using /Zi /Fddebug.pdb

This commit reverts 8e3ada3f830ad0e7d3ddf4eaf2b16e695bd084e4 (#1274).

Fixes #1386.

2 months agofeat: Let --inspect retain atime if possible
Joel Rosdahl [Fri, 26 Jan 2024 19:20:20 +0000 (20:20 +0100)] 
feat: Let --inspect retain atime if possible

For storage that relies on atime for LRU cleanup purposes, it makes
sense not to affect atime when inspecting cache entries.

2 months agoperf: Remove now unnecessary fs::path::string calls
Joel Rosdahl [Sat, 20 Jan 2024 14:04:03 +0000 (15:04 +0100)] 
perf: Remove now unnecessary fs::path::string calls

2 months agorefactor: fs::path-ify core::CacheEntry::Header
Joel Rosdahl [Sat, 20 Jan 2024 14:03:42 +0000 (15:03 +0100)] 
refactor: fs::path-ify core::CacheEntry::Header

2 months agoperf: Use util::PathString instead of fs::path copy
Joel Rosdahl [Sat, 20 Jan 2024 14:03:02 +0000 (15:03 +0100)] 
perf: Use util::PathString instead of fs::path copy

2 months agoenhance: Add util::PathString
Joel Rosdahl [Sat, 20 Jan 2024 14:00:17 +0000 (15:00 +0100)] 
enhance: Add util::PathString

2 months agochore: Remove obsolete section from LICENSE.adoc
Joel Rosdahl [Mon, 15 Jan 2024 20:36:04 +0000 (21:36 +0100)] 
chore: Remove obsolete section from LICENSE.adoc

2 months agochore: Fix some clang-tidy warnings
Joel Rosdahl [Mon, 15 Jan 2024 17:51:01 +0000 (18:51 +0100)] 
chore: Fix some clang-tidy warnings

2 months agofeat: Add support for MSVC /Yc option (precompiled headers) (#1384)
Clemens Wasser [Wed, 24 Jan 2024 19:58:47 +0000 (20:58 +0100)] 
feat: Add support for MSVC /Yc option (precompiled headers) (#1384)

2 months agofeat: Add `--print-stats` format selection, JSON format (#1382)
Kaspar Schleiser [Mon, 22 Jan 2024 19:22:06 +0000 (20:22 +0100)] 
feat: Add `--print-stats` format selection, JSON format (#1382)

2 months agofeat: Add `--print-log-stats` (#1381)
Kaspar Schleiser [Sat, 20 Jan 2024 19:42:15 +0000 (20:42 +0100)] 
feat: Add `--print-log-stats` (#1381)

This adds a "machine readable" variant of `--show-log-stats`, similar to
`--print-stats` as a variant of `--show-stats`.

3 months agochore: Remove left-over debug comment
Joel Rosdahl [Sun, 14 Jan 2024 10:48:40 +0000 (11:48 +0100)] 
chore: Remove left-over debug comment

3 months agofix: Disable caching for modified source/include files
Joel Rosdahl [Sun, 14 Jan 2024 09:46:54 +0000 (10:46 +0100)] 
fix: Disable caching for modified source/include files

On a cache miss, ccache opts out of the direct mode when a "too new"
include file is found. This is done to avoid a race condition in the
direct mode when a header file if modified after ccache is invoked but
before the compiler is executed. Modifying the main source code file is
not a race condition when "run_second_cpp = false", which was the case
at the time the direct mode was introduced. However, the default of
run_second_cpp was changed to true in ccache 3.3, and the potiential
race condition then exists for both the source and the include files.

Fix this by disabling caching completely (not only the direct mode) when
modification of a source/include file is detected.

Closes #1378.

3 months agofeat: Allow any prefix in prefix_command(_cpp) options
Joel Rosdahl [Sun, 14 Jan 2024 09:41:58 +0000 (10:41 +0100)] 
feat: Allow any prefix in prefix_command(_cpp) options

The prefix_command and prefix_command_cpp configuration options require
that the prefixes can be found in PATH.

This commit relaxes this requirement so that a relative prefix can be
used and a prefix program can have arguments.

3 months agorefactor: fs::path-ify util::is_dev_null_path
Joel Rosdahl [Sun, 14 Jan 2024 09:36:10 +0000 (10:36 +0100)] 
refactor: fs::path-ify util::is_dev_null_path

3 months agoenhance: Add Args::push_back(std::string&& arg)
Joel Rosdahl [Sun, 14 Jan 2024 09:35:25 +0000 (10:35 +0100)] 
enhance: Add Args::push_back(std::string&& arg)

3 months agochore: Remove time_of_compilation in favor of time_of_invocation
Joel Rosdahl [Tue, 9 Jan 2024 20:28:34 +0000 (21:28 +0100)] 
chore: Remove time_of_compilation in favor of time_of_invocation

We can compare source/include files against time of invocation just as
well; source files shouldn't be modified when ccache has started anyway.

3 months agorefactor: Move Util::is_absolute_path_with_prefix to util
Joel Rosdahl [Sun, 7 Jan 2024 13:53:01 +0000 (14:53 +0100)] 
refactor: Move Util::is_absolute_path_with_prefix to util

3 months agorefactor: Use std::string_view in compopt functions
Joel Rosdahl [Sun, 7 Jan 2024 12:29:20 +0000 (13:29 +0100)] 
refactor: Use std::string_view in compopt functions

3 months agofix: Avoid crash for -arch as last compiler option
Joel Rosdahl [Sat, 6 Jan 2024 19:21:44 +0000 (20:21 +0100)] 
fix: Avoid crash for -arch as last compiler option

The bug has been present since 89aa39f394e0fa4935e6cadd7184e372a37f9506
(ccache 3.3).

Fixes #1377.

3 months agorefactor: Convert usage of Util::remove_extension to std::filesystem
Joel Rosdahl [Tue, 2 Jan 2024 15:25:55 +0000 (16:25 +0100)] 
refactor: Convert usage of Util::remove_extension to std::filesystem

3 months agorefactor: Convert usage of Util::dir_name to std::filesystem
Joel Rosdahl [Tue, 2 Jan 2024 15:11:32 +0000 (16:11 +0100)] 
refactor: Convert usage of Util::dir_name to std::filesystem

3 months agoenhance: Add wrapper of std::filesystem::equivalent
Joel Rosdahl [Sat, 6 Jan 2024 20:11:20 +0000 (21:11 +0100)] 
enhance: Add wrapper of std::filesystem::equivalent

3 months agorefactor: Convert usage of Util::change_extension to std::filesystem
Joel Rosdahl [Tue, 2 Jan 2024 14:12:08 +0000 (15:12 +0100)] 
refactor: Convert usage of Util::change_extension to std::filesystem

3 months agorefactor: Convert usage of Util::get_extension to std::filesystem
Joel Rosdahl [Mon, 1 Jan 2024 12:37:53 +0000 (13:37 +0100)] 
refactor: Convert usage of Util::get_extension to std::filesystem

3 months agorefactor: Convert usage of util::real_path to std::filesystem
Joel Rosdahl [Sun, 31 Dec 2023 14:47:06 +0000 (15:47 +0100)] 
refactor: Convert usage of util::real_path to std::filesystem

3 months agotest: Add test of core::rewrite_stderr_to_absolute_paths
Joel Rosdahl [Sun, 31 Dec 2023 14:20:16 +0000 (15:20 +0100)] 
test: Add test of core::rewrite_stderr_to_absolute_paths

3 months agorefactor: Convert usage of Util::base_name to std::filesystem
Joel Rosdahl [Sun, 31 Dec 2023 10:10:27 +0000 (11:10 +0100)] 
refactor: Convert usage of Util::base_name to std::filesystem