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find_package(PkgConfig REQUIRED)
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set(ROOT "${CMAKE_CURRENT_BINARY_DIR}/root")
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string(REPLACE " " "\\ " ESCAPED_ROOT "${ROOT}")
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set(LIB_DIR "${ROOT}/lib")
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set(PKGCONFIG_DIR "${LIB_DIR}/pkgconfig")
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file(WRITE "${PKGCONFIG_DIR}/zot.pc" "
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prefix=${ESCAPED_ROOT}
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libdir=\${prefix}/lib
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Name: Zot
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Description: Dummy package to test LIBRARY_DIR support
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Version: 1.0
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Libs: -L\${libdir} -lzot
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")
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# Create a "library" file to find in libdir.
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set(CMAKE_FIND_LIBRARY_PREFIXES "prefix-")
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set(CMAKE_FIND_LIBRARY_SUFFIXES "-suffix")
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file(WRITE "${LIB_DIR}/prefix-zot-suffix")
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# 'pkg-config --libs' drops -L flags in PKG_CONFIG_SYSTEM_LIBRARY_PATH by default.
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set(ENV{PKG_CONFIG_SYSTEM_LIBRARY_PATH} "${LIB_DIR}")
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# 'pkgconf --libs' also drops -L flags in LIBRARY_PATH by default.
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set(ENV{LIBRARY_PATH} "${LIB_DIR}")
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set(ENV{PKG_CONFIG_PATH} "${PKGCONFIG_DIR}")
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pkg_check_modules(ZOT REQUIRED zot)
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message(STATUS "ZOT_LIBRARIES='${ZOT_LIBRARIES}'")
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message(STATUS "ZOT_LINK_LIBRARIES='${ZOT_LINK_LIBRARIES}'")
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message(STATUS "ZOT_LDFLAGS='${ZOT_LDFLAGS}'")
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