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# Finish a preliminary .pc file.
#
# - Appends to each requirement the proper configuration postfix.
# - Strips empty PkgConfig fields.
#
# This file is to be used in CMake script mode with the following variables set:
# IN_FILE: path to the step 2 preliminary .pc file.
# OUT_FILE: path to the .pc file that is going to be created.
# POSTFIX: postfix for each requirement (optional).
cmake_policy(SET CMP0057 NEW)
file(STRINGS "${IN_FILE}" lines)
set(content "")
set(emptied "Libs:" "Cflags:" "Requires:")
foreach(line ${lines})
if(POSTFIX)
if(line MATCHES "^Libs:")
string(REGEX REPLACE "( -lQt[^ ]+)" "\\1${POSTFIX}" line "${line}")
elseif(line MATCHES "^Requires:")
string(REGEX REPLACE "( Qt[^ ]+)" "\\1${POSTFIX}" line "${line}")
endif()
endif()
string(REGEX REPLACE " +$" "" line "${line}")
if(NOT line IN_LIST emptied)
string(APPEND content "${line}\n")
endif()
endforeach()
file(WRITE "${OUT_FILE}" "${content}")
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