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Fix linking error: clock_gettime not found

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I decided to reimplement AC_SEARCH_LIB from autotools in the process, as I consider it a very
nifty feature.
This commit is contained in:
Pavel Labath 2011-09-30 23:01:24 +02:00
parent b2331969d5
commit 031e79e77e
2 changed files with 29 additions and 0 deletions
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22
cmake/Conky.cmake
View File

@ -61,6 +61,7 @@ set(conky_libs ${CMAKE_THREAD_LIBS_INIT})
set(conky_includes ${CMAKE_BINARY_DIR})
add_definitions(-D_GNU_SOURCE) # Standard definitions
set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_GNU_SOURCE")
# Do version stuff
set(VERSION_MAJOR "2")
@ -112,3 +113,24 @@ endif(RELEASE)
set(COPYRIGHT "Copyright Brenden Matthews, et al, 2005-2010")
macro(AC_SEARCH_LIBS FUNCTION_NAME INCLUDES TARGET_VAR)
if("${TARGET_VAR}" MATCHES "^${TARGET_VAR}$")
unset(AC_SEARCH_LIBS_TMP CACHE)
check_symbol_exists(${FUNCTION_NAME} ${INCLUDES} AC_SEARCH_LIBS_TMP)
if(${AC_SEARCH_LIBS_TMP})
set(${TARGET_VAR} "" CACHE INTERNAL "Library containing ${FUNCTION_NAME}")
return()
endif(${AC_SEARCH_LIBS_TMP})
foreach(LIB ${ARGN})
unset(AC_SEARCH_LIBS_TMP CACHE)
unset(AC_SEARCH_LIBS_FOUND CACHE)
find_library(AC_SEARCH_LIBS_TMP ${LIB})
check_library_exists(${LIB} ${FUNCTION_NAME} ${AC_SEARCH_LIBS_TMP} AC_SEARCH_LIBS_FOUND)
if(${AC_SEARCH_LIBS_FOUND})
set(${TARGET_VAR} ${AC_SEARCH_LIBS_TMP} CACHE INTERNAL "Library containing ${FUNCTION_NAME}")
break()
endif(${AC_SEARCH_LIBS_FOUND})
endforeach(LIB)
endif("${TARGET_VAR}" MATCHES "^${TARGET_VAR}$")
endmacro(AC_SEARCH_LIBS)

7
cmake/ConkyPlatformChecks.cmake
View File

@ -23,6 +23,7 @@
include(FindPkgConfig)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckSymbolExists)
# Check for some headers
check_include_files(sys/statfs.h HAVE_SYS_STATFS_H)
@ -33,6 +34,12 @@ check_include_files(dirent.h HAVE_DIRENT_H)
# Check for some functions
check_function_exists(strndup HAVE_STRNDUP)
AC_SEARCH_LIBS(clock_gettime "time.h" CLOCK_GETTIME_LIB "rt")
if(NOT CLOCK_GETTIME_LIB)
message(FATAL_ERROR "clock_gettime not found.")
endif(NOT CLOCK_GETTIME_LIB)
set(conky_libs ${conky_libs} ${CLOCK_GETTIME_LIB})
# standard path to search for includes
set(INCLUDE_SEARCH_PATH /usr/include /usr/local/include)