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#[===[.md:
# vcpkg_fixup_pkgconfig
Fix common paths in *.pc files and make everything relative to $(prefix).
Additionally, on static triplets, private entries are merged with their non-private counterparts,
allowing pkg-config to be called without the ``--static`` flag.
Note that vcpkg is designed to never have to call pkg-config with the ``--static`` flag,
since a consumer cannot know if a dependent library has been built statically or not.
## Usage
```cmake
vcpkg_fixup_pkgconfig(
[RELEASE_FILES <PATHS>...]
[DEBUG_FILES <PATHS>...]
[SKIP_CHECK]
)
```
## Parameters
### RELEASE_FILES
Specifies a list of files to apply the fixes for release paths.
Defaults to every *.pc file in the folder ${CURRENT_PACKAGES_DIR} without ${CURRENT_PACKAGES_DIR}/debug/
### DEBUG_FILES
Specifies a list of files to apply the fixes for debug paths.
Defaults to every *.pc file in the folder ${CURRENT_PACKAGES_DIR}/debug/
### SKIP_CHECK
Skips the library checks in vcpkg_fixup_pkgconfig. Only use if the script itself has unhandled cases.
### SYSTEM_PACKAGES (deprecated)
This argument has been deprecated and has no effect.
### SYSTEM_LIBRARIES (deprecated)
This argument has been deprecated and has no effect.
### IGNORE_FLAGS (deprecated)
This argument has been deprecated and has no effect.
## Notes
Still work in progress. If there are more cases which can be handled here feel free to add them
## Examples
* [brotli](https://github.com/Microsoft/vcpkg/blob/master/ports/brotli/portfile.cmake)
#]===]
function(z_vcpkg_fixup_pkgconfig_check_files file config)
set(path_suffix_DEBUG /debug)
set(path_suffix_RELEASE "")
if(DEFINED ENV{PKG_CONFIG_PATH})
set(backup_env_pkg_config_path "$ENV{PKG_CONFIG_PATH}")
else()
unset(backup_env_pkg_config_path)
endif()
vcpkg_host_path_list(PREPEND ENV{PKG_CONFIG_PATH}
"${CURRENT_PACKAGES_DIR}${path_suffix_${config}}/lib/pkgconfig"
"${CURRENT_PACKAGES_DIR}/share/pkgconfig"
"${CURRENT_INSTALLED_DIR}${path_suffix_${config}}/lib/pkgconfig"
"${CURRENT_INSTALLED_DIR}/share/pkgconfig"
)
# First make sure everything is ok with the package and its deps
cmake_path(GET file STEM LAST_ONLY package_name)
debug_message("Checking package (${config}): ${package_name}")
execute_process(
COMMAND "${PKGCONFIG}" --print-errors --exists "${package_name}"
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
RESULT_VARIABLE error_var
OUTPUT_VARIABLE output
ERROR_VARIABLE output
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
)
if(NOT "${error_var}" EQUAL "0")
message(FATAL_ERROR "${PKGCONFIG} --exists ${package_name} failed with error code: ${error_var}
ENV{PKG_CONFIG_PATH}: \"$ENV{PKG_CONFIG_PATH}\"
output: ${output}"
)
else()
debug_message("pkg-config --exists ${package_name} output: ${output}")
endif()
if(DEFINED backup_env_pkg_config_path)
set(ENV{PKG_CONFIG_PATH} "${backup_env_pkg_config_path}")
else()
unset(ENV{PKG_CONFIG_PATH})
endif()
endfunction()
function(vcpkg_fixup_pkgconfig)
cmake_parse_arguments(PARSE_ARGV 0 arg
"SKIP_CHECK"
""
"RELEASE_FILES;DEBUG_FILES;SYSTEM_LIBRARIES;SYSTEM_PACKAGES;IGNORE_FLAGS"
)
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
if(DEFINED arg_RELEASE_FILES AND NOT DEFINED arg_DEBUG_FILES)
message(FATAL_ERROR "DEBUG_FILES must be specified if RELEASE_FILES was specified.")
endif()
if(NOT DEFINED arg_RELEASE_FILES AND DEFINED arg_DEBUG_FILES)
message(FATAL_ERROR "RELEASE_FILES must be specified if DEBUG_FILES was specified.")
endif()
if(NOT DEFINED arg_RELEASE_FILES)
file(GLOB_RECURSE arg_RELEASE_FILES "${CURRENT_PACKAGES_DIR}/**/*.pc")
file(GLOB_RECURSE arg_DEBUG_FILES "${CURRENT_PACKAGES_DIR}/debug/**/*.pc")
foreach(debug_file IN LISTS arg_DEBUG_FILES)
vcpkg_list(REMOVE_ITEM arg_RELEASE_FILES "${debug_file}")
endforeach()
endif()
string(REGEX REPLACE "^([a-zA-Z]):/" [[/\1/]] unix_packages_dir "${CURRENT_PACKAGES_DIR}")
string(REGEX REPLACE "^([a-zA-Z]):/" [[/\1/]] unix_installed_dir "${CURRENT_INSTALLED_DIR}")
foreach(config IN ITEMS RELEASE DEBUG)
debug_message("${config} Files: ${arg_${config}_FILES}")
if("${VCPKG_BUILD_TYPE}" STREQUAL "debug" AND "${config}" STREQUAL "RELEASE")
continue()
endif()
if("${VCPKG_BUILD_TYPE}" STREQUAL "release" AND "${config}" STREQUAL "DEBUG")
continue()
endif()
foreach(file IN LISTS "arg_${config}_FILES")
message(STATUS "Fixing pkgconfig file: ${file}")
cmake_path(GET file PARENT_PATH pkg_lib_search_path)
if("${config}" STREQUAL "DEBUG")
set(relative_pc_path "${CURRENT_PACKAGES_DIR}/debug")
cmake_path(RELATIVE_PATH relative_pc_path BASE_DIRECTORY "${pkg_lib_search_path}")
else()
set(relative_pc_path "${CURRENT_PACKAGES_DIR}")
cmake_path(RELATIVE_PATH relative_pc_path BASE_DIRECTORY "${pkg_lib_search_path}")
endif()
#Correct *.pc file
file(READ "${file}" contents)
# this normalizes all files to end with a newline, and use LF instead of CRLF;
# this allows us to use regex matches easier to modify these files.
if(NOT "${contents}" MATCHES "\n$")
string(APPEND contents "\n")
endif()
string(REPLACE "\r\n" "\n" contents "${contents}")
string(REPLACE "${CURRENT_PACKAGES_DIR}" [[${prefix}]] contents "${contents}")
string(REPLACE "${CURRENT_INSTALLED_DIR}" [[${prefix}]] contents "${contents}")
string(REPLACE "${unix_packages_dir}" [[${prefix}]] contents "${contents}")
string(REPLACE "${unix_installed_dir}" [[${prefix}]] contents "${contents}")
string(REGEX REPLACE "(^|\n)prefix[\t ]*=[^\n]*" "" contents "${contents}")
if("${config}" STREQUAL "DEBUG")
# prefix points at the debug subfolder
string(REPLACE [[${prefix}/debug]] [[${prefix}]] contents "${contents}")
string(REPLACE [[${prefix}/include]] [[${prefix}/../include]] contents "${contents}")
string(REPLACE [[${prefix}/share]] [[${prefix}/../share]] contents "${contents}")
endif()
# quote -L, -I, and -l paths starting with `${blah}`
string(REGEX REPLACE " -([LIl])(\\\${[^}]*}[^ \n\t]*)" [[ -\1"\2"]] contents "${contents}")
# This section fuses XYZ.private and XYZ according to VCPKG_LIBRARY_LINKAGE
#
# Pkgconfig searches Requires.private transitively for Cflags in the dynamic case,
# which prevents us from removing it.
#
# Once this transformation is complete, users of vcpkg should never need to pass
# --static.
if("${VCPKG_LIBRARY_LINKAGE}" STREQUAL "static")
# how this works:
# we want to transform:
# Libs: $1
# Libs.private: $2
# into
# Libs: $1 $2
# and the same thing for Requires and Requires.private
foreach(item IN ITEMS "Libs" "Requires" "Cflags")
set(line "")
if("${contents}" MATCHES "(^|\n)${item}: *([^\n]*)")
string(APPEND line " ${CMAKE_MATCH_2}")
endif()
if("${contents}" MATCHES "(^|\n)${item}\\.private: *([^\n]*)")
string(APPEND line " ${CMAKE_MATCH_2}")
endif()
string(REGEX REPLACE "(^|\n)${item}(\\.private)?:[^\n]*\n" [[\1]] contents "${contents}")
if(NOT "${line}" STREQUAL "")
string(APPEND contents "${item}:${line}\n")
endif()
endforeach()
endif()
file(WRITE "${file}" "prefix=\${pcfiledir}/${relative_pc_path}\n${contents}")
endforeach()
if(NOT arg_SKIP_CHECK) # The check can only run after all files have been corrected!
vcpkg_find_acquire_program(PKGCONFIG)
debug_message("Using pkg-config from: ${PKGCONFIG}")
foreach(file IN LISTS "arg_${config}_FILES")
z_vcpkg_fixup_pkgconfig_check_files("${file}" "${config}")
endforeach()
endif()
endforeach()
debug_message("Fixing pkgconfig --- finished")
set(Z_VCPKG_FIXUP_PKGCONFIG_CALLED TRUE CACHE INTERNAL "See below" FORCE)
# Variable to check if this function has been called!
# Theoreotically vcpkg could look for *.pc files and automatically call this function
# or check if this function has been called if *.pc files are detected.
# The same is true for vcpkg_fixup_cmake_targets
endfunction()
|
