9426358ea1
Use proper cmake techniques to detect where the libedit package resides. This allows for the use of libedit from an alternative location which is needed for supporting cross-compilation. llvm-svn: 333041
63 lines
2.1 KiB
CMake
63 lines
2.1 KiB
CMake
#.rst:
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# FindLibEdit
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# -----------
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#
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# Find libedit library and headers
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#
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# The module defines the following variables:
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#
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# ::
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#
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# libedit_FOUND - true if libedit was found
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# libedit_INCLUDE_DIRS - include search path
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# libedit_LIBRARIES - libraries to link
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# libedit_VERSION - version number
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if(libedit_INCLUDE_DIRS AND libedit_LIBRARIES)
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set(libedit_FOUND TRUE)
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else()
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find_package(PkgConfig QUIET)
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pkg_check_modules(PC_LIBEDIT QUIET libedit)
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find_path(libedit_INCLUDE_DIRS
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NAMES
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histedit.h
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HINTS
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${PC_LIBEDIT_INCLUDEDIR}
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${PC_LIBEDIT_INCLUDE_DIRS}
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${CMAKE_INSTALL_FULL_INCLUDEDIR})
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find_library(libedit_LIBRARIES
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NAMES
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edit libedit
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HINTS
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${PC_LIBEDIT_LIBDIR}
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${PC_LIBEDIT_LIBRARY_DIRS}
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${CMAKE_INSTALL_FULL_LIBDIR})
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if(libedit_INCLUDE_DIRS AND EXISTS "${libedit_INCLUDE_DIRS}/histedit.h")
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file(STRINGS "${libedit_INCLUDE_DIRS}/histedit.h"
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libedit_major_version_str
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REGEX "^#define[ \t]+LIBEDIT_MAJOR[ \t]+[0-9]+")
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string(REGEX REPLACE "^#define[ \t]+LIBEDIT_MAJOR[ \t]+([0-9]+)" "\\1"
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LIBEDIT_MAJOR_VERSION "${libedit_major_version_str}")
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file(STRINGS "${libedit_INCLUDE_DIRS}/histedit.h"
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libedit_minor_version_str
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REGEX "^#define[ \t]+LIBEDIT_MINOR[ \t]+[0-9]+")
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string(REGEX REPLACE "^#define[ \t]+LIBEDIT_MINOR[ \t]+([0-9]+)" "\\1"
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LIBEDIT_MINOR_VERSION "${libedit_minor_version_str}")
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set(libedit_VERSION_STRING "${libedit_major_version}.${libedit_minor_version}")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(libedit
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REQUIRED_VARS
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libedit_INCLUDE_DIRS
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libedit_LIBRARIES
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VERSION_VAR
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libedit_VERSION_STRING)
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mark_as_advanced(libedit_INCLUDE_DIRS libedit_LIBRARIES)
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endif()
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