From ea6c1c031b93ab5a0053b57e71530e5ab6aacb5d Mon Sep 17 00:00:00 2001 From: Robin Thunig Date: Mon, 21 Oct 2019 22:17:46 +0200 Subject: [PATCH] (capstone) feat: add FindCapstone --- cmake/FindCapstone.cmake | 33 +++++++++++++ cmake/LibFindMacros.cmake | 99 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 132 insertions(+) create mode 100644 cmake/FindCapstone.cmake create mode 100644 cmake/LibFindMacros.cmake diff --git a/cmake/FindCapstone.cmake b/cmake/FindCapstone.cmake new file mode 100644 index 00000000..3ffaebfb --- /dev/null +++ b/cmake/FindCapstone.cmake @@ -0,0 +1,33 @@ +# - Try to find CAPSTONE +# Once done, this will define +# +# CAPSTONE_FOUND - system has CAPSTONE +# CAPSTONE_INCLUDE_DIRS - the CAPSTONE include directories +# CAPSTONE_LIBRARIES - link these to use CAPSTONE + +include(LibFindMacros) +message(STATUS "[FAIL*] looking for Capstone library") + +# Dependencies +# libfind_package(CAPSTONE capstone) + +# Use pkg-config to get hints about paths +# libfind_pkg_check_modules(CAPSTONE_PKGCONF capstone) + +# Include dir +find_path(CAPSTONE_INCLUDE_DIR + NAMES capstone/capstone.h + PATHS ${CAPSTONE_PKGCONF_INCLUDE_DIRS} + ) + +# Finally the library itself +find_library(CAPSTONE_LIBRARY + NAMES capstone + PATHS ${CAPSTONE_PKGCONF_LIBRARY_DIRS} + ) + +# Set the include dir variables and the libraries and let libfind_process do the rest. +# NOTE: Singular variables for this library, plural for libraries this this lib depends on. +set(CAPSTONE_PROCESS_INCLUDES CAPSTONE_INCLUDE_DIR CAPSTONE_INCLUDE_DIRS) +set(CAPSTONE_PROCESS_LIBS CAPSTONE_LIBRARY CAPSTONE_LIBRARIES) +libfind_process(CAPSTONE) diff --git a/cmake/LibFindMacros.cmake b/cmake/LibFindMacros.cmake new file mode 100644 index 00000000..78fd5f38 --- /dev/null +++ b/cmake/LibFindMacros.cmake @@ -0,0 +1,99 @@ +# Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments +# used for the current package. For this to work, the first parameter must be the +# prefix of the current package, then the prefix of the new package etc, which are +# passed to find_package. +macro (libfind_package PREFIX) + set (LIBFIND_PACKAGE_ARGS ${ARGN}) + if (${PREFIX}_FIND_QUIETLY) + set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} QUIET) + endif (${PREFIX}_FIND_QUIETLY) + if (${PREFIX}_FIND_REQUIRED) + set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED) + endif (${PREFIX}_FIND_REQUIRED) + find_package(${LIBFIND_PACKAGE_ARGS}) +endmacro (libfind_package) + +# CMake developers made the UsePkgConfig system deprecated in the same release (2.6) +# where they added pkg_check_modules. Consequently I need to support both in my scripts +# to avoid those deprecated warnings. Here's a helper that does just that. +# Works identically to pkg_check_modules, except that no checks are needed prior to use. +macro (libfind_pkg_check_modules PREFIX PKGNAME) + if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) + include(UsePkgConfig) + pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS) + else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) + find_package(PkgConfig) + if (PKG_CONFIG_FOUND) + pkg_check_modules(${PREFIX} ${PKGNAME}) + endif (PKG_CONFIG_FOUND) + endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) +endmacro (libfind_pkg_check_modules) + +# Do the final processing once the paths have been detected. +# If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain +# all the variables, each of which contain one include directory. +# Ditto for ${PREFIX}_PROCESS_LIBS and library files. +# Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES. +# Also handles errors in case library detection was required, etc. +macro (libfind_process PREFIX) + # Skip processing if already processed during this run + if (NOT ${PREFIX}_FOUND) + # Start with the assumption that the library was found + set (${PREFIX}_FOUND TRUE) + + # Process all includes and set _FOUND to false if any are missing + foreach (i ${${PREFIX}_PROCESS_INCLUDES}) + if (${i}) + set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}}) + mark_as_advanced(${i}) + else (${i}) + set (${PREFIX}_FOUND FALSE) + endif (${i}) + endforeach (i) + + # Process all libraries and set _FOUND to false if any are missing + foreach (i ${${PREFIX}_PROCESS_LIBS}) + if (${i}) + set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}}) + mark_as_advanced(${i}) + else (${i}) + set (${PREFIX}_FOUND FALSE) + endif (${i}) + endforeach (i) + + # Print message and/or exit on fatal error + if (${PREFIX}_FOUND) + if (NOT ${PREFIX}_FIND_QUIETLY) + message (STATUS "Found ${PREFIX} include directory: ${${PREFIX}_INCLUDE_DIR}") + message (STATUS "Found ${PREFIX} library: ${${PREFIX}_LIBRARY}") + endif (NOT ${PREFIX}_FIND_QUIETLY) + else (${PREFIX}_FOUND) + if (${PREFIX}_FIND_REQUIRED) + foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS}) + message("${i}=${${i}}") + endforeach (i) + message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.") + endif (${PREFIX}_FIND_REQUIRED) + endif (${PREFIX}_FOUND) + endif (NOT ${PREFIX}_FOUND) +endmacro (libfind_process) + +macro(libfind_library PREFIX basename) + set(TMP "") + if(MSVC80) + set(TMP -vc80) + endif(MSVC80) + if(MSVC90) + set(TMP -vc90) + endif(MSVC90) + set(${PREFIX}_LIBNAMES ${basename}${TMP}) + if(${ARGC} GREATER 2) + set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2}) + string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES}) + set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP}) + endif(${ARGC} GREATER 2) + find_library(${PREFIX}_LIBRARY + NAMES ${${PREFIX}_LIBNAMES} + PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS} + ) +endmacro(libfind_library)