* [vcpkg_find_acquire_program] Add gn

* [GN] Add build system support

* [crashpad] Add new port

* [vcpkg] Add new function vcpkg_copy_tools

* [cpuinfo][czmq][nanomsg][uriparser] Use vcpkg_copy_tools

* [czmq] Clean even tools are not copied

[libsvm][zyre] Use vcpkg_copy_tools

* [vcpkg-copy-tools] Clean debug/bin

This should fix czmq build error

* [czmq] czmq does not have BUILD_TOOLS option

* [vcpkg] Split clean logic into another function

* [cpuinfo][czmq][nanomsg][uriparser] Fix calling of vcpkg_copy_tools

* [zyre] Fix regression error

* [vcpkg] Update try_remove_empty_directory

* [libsvm] Fix vcpkg_copy_tools call

* add new function vcpkg_fixup_pkgconfig

* make message with changed files a debug_message

* add two more cases to the debug *.pc files

* comment out prefix.
use --define-variable=prefix=INSTALL_PATH

* changed the comment header.

* add missing word

* finish vcpkg_fixup_pkgconfig.cmake

* Update vcpkg_fixup_pkgconfig.cmake

Note: since CMake is run in script mode the description of VCPKG_FIXUP_PKGCONFIG_CALLED cannot be viewed

* transfer changes from x windows pr

* fix typo in regex

* make the regex comment aware
make pc files relocatable by using ${pcfiledir} in prefix
tested with x window pr

* [vcpkg_install_qmake] Add vcpkg_install_qmake and convert existing ports to use it.
[vcpkg_configure_qmake] Add 'staticlib' to CONFIG in static builds

* [vcpkg_configure_qmake] Don't specify DESTDIR

* [libqglviewer][vcpkg_configure_qmake] Add staticlib CONFIG only for libqglviewer

* [qt5-base] Increment version to track changes in vcpkg_configure_qmake()

* Add function vcpkg_configure_make/vcpkg_build_make.

* Fix autoreconf command and add log.

* Add vcpkg_install_make.

* Fix call function name.

* support non-debug mode.

* Add nmake support.

* [tcl]Add new port for testing.

* [vcpkg_configure_make]Fix prefix in linux.

* restart CI systen.

* Separate vcpkg_build_nmake/vcpkg_install_nmake. Add arg PROJECT_NAME.

* fix copy source file. add samples.

* Remove uncommon options.
Add force install para to autoreconf.

* fix build error.

* fix options judgment.

* enable nmake in windows.

* fix some envs and macros. Disable NMAKE in vcpkg_configure_make currently.

* update docs.

* fix environments.

* Modify libosip2 to use vcpkg_configure_make/vcpkg_install_make.

* [tcl]Tcl separates PR.

* trigger PR-EAGER.

* [freexl]Fix options name and remove option NMAKE.

* use tool-chain instead of set environments manually.

* fix autoreconf para.

* use vcpkg_execute_build_process instead.

* update to 5.12.4
* removed port qt5-modularscripts and split it functionality into more functions into qt5-base
* added qt_port_hashes.cmake for simpler upgrade.
* added optional VCPKG_QT_HOST_MKSPEC and VCPKG_QT_TARGET_MKSPEC to select QTs build mkspecs from a triplet
* qt_<config>.conf are now copied from the build dir instead from the port dir
* fixed freetype dependencies.
* cleanup of vcpkg_qmake scripts. No strange/unclear replacements anymore.
* introduced vcpkg_buildpath_length_warning
* changed directory layout of the qt5 installation executables and mkspecs a bit.

* [portfile functions] Override execute_process() to accept ALLOW_IN_DOWNLOAD_MODE option

* [vcpkg install] Set VCPKG_DOWNLOAD_MODE when using --only-downloads option

* [vcpkg_find_acquire_program] Allow in Download Mode

* Don't stop when build fails for a package

* Download sources for all packages in dependency graph

* Improve output messages

* Enable acquiring MSYS packages in download mode

* Documentation

* Update documentation

* execute_process() always fails on Download Mode

* Regenerate docs and fix formatting

* Run clang-format

* Use _execute_process on vcpkg_from_<source> helpers

* Fix calls to _execute_process() when not in Download Mode

This reverts commit 65d4bc146bf7c1c21989b680497b1f6f9a09c967.

* [portfile functions] Override execute_process() to accept ALLOW_IN_DOWNLOAD_MODE option

* [vcpkg install] Set VCPKG_DOWNLOAD_MODE when using --only-downloads option

* [vcpkg_find_acquire_program] Allow in Download Mode

* Don't stop when build fails for a package

* Download sources for all packages in dependency graph

* Improve output messages

* Enable acquiring MSYS packages in download mode

* Documentation

* Update documentation

* execute_process() always fails on Download Mode

* Regenerate docs and fix formatting

* Run clang-format

* Use _execute_process on vcpkg_from_<source> helpers

* added function vcpkg_fail_port_install to fail the portfile under requested circumstances and display a standarized failure message

* added always option.

* fix linux regressions

* bump control for ci tu rerun