Add support for AC_SEARCH_LIBS emulation.

boxbackup · Jun 13, 2016 · 235c5d9 · 235c5d9
1 parent b3672e6
commit 235c5d9
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/infrastructure/cmake/CMakeLists.txt b/infrastructure/cmake/CMakeLists.txt
@@ -325,6 +325,7 @@ endif()
 include(CheckIncludeFiles)
 include(CheckFunctionExists)
 include(CheckSymbolExists)
+include(CheckLibraryExists)
 include(CheckCXXSourceCompiles)
 
 set(boxconfig_cmake_h_dir "${base_dir}/lib/common")
@@ -366,6 +367,20 @@ foreach(m4_filename boxbackup_tests.m4 ax_check_mount_point.m4)
 				check_symbol_exists("${decl_name}" "${header_files}" HAVE_DECL_${platform_var_name})
 				file(APPEND "${boxconfig_h_file}" "#cmakedefine01 HAVE_DECL_${platform_var_name}\n")
 			endforeach()
+		elseif(m4_function MATCHES "^ *AC_SEARCH_LIBS\\(\\[([A-Za-z._/ ]+)\\], \\[([A-Za-z._]+)\\]\\)$")
+			message(STATUS "Processing ac_search_libs: ${CMAKE_MATCH_1} in ${CMAKE_MATCH_2}")
+
+			set(function_name ${CMAKE_MATCH_1})
+			# http://stackoverflow.com/questions/5272781/what-is-common-way-to-split-string-into-list-with-cmake
+			string(REPLACE " " ";" library_names "${CMAKE_MATCH_2}")
+
+			foreach(library_name ${library_names})
+				string(TOUPPER ${library_name} platform_var_name)
+				check_library_exists(${library_name} ${function_name} "" HAVE_LIB_${platform_var_name})
+				if(HAVE_LIB_${platform_var_name})
+					target_link_libraries(lib_common ${library_name})
+				endif()
+			endforeach()
 		elseif(m4_function MATCHES "^ *AC_CHECK_MEMBERS\\(\\[([A-Za-z._/ ]+)\\.([[A-Za-z_]+)\\](,,, ..(#include <([^>]+)>)..)?\\)$")
 			message(STATUS "Processing ac_check_members: ${CMAKE_MATCH_1}.${CMAKE_MATCH_2} in ${CMAKE_MATCH_5}")
 

diff --git a/infrastructure/m4/boxbackup_tests.m4 b/infrastructure/m4/boxbackup_tests.m4
@@ -101,7 +101,7 @@ AX_PATH_BDB([1.x or 4.1], [
 ])
 
 # need to find libdl before trying to link openssl, apparently
-AC_SEARCH_LIBS([dlsym], ["dl"])
+AC_SEARCH_LIBS([dlsym], [dl])
 AC_CHECK_FUNCS([dlsym dladdr])
 
 ## Check for Open SSL, use old versions only if explicitly requested
@@ -277,7 +277,7 @@ AC_TYPE_SIGNAL
 AC_FUNC_STAT
 AC_CHECK_FUNCS([ftruncate getpeereid getpeername getpid gettimeofday lchown])
 AC_CHECK_FUNCS([setproctitle utimensat])
-AC_SEARCH_LIBS([setproctitle], ["bsd"])
+AC_SEARCH_LIBS([setproctitle], [bsd])
 
 # NetBSD implements kqueue too differently for us to get it fixed by 0.10
 # TODO: Remove this when NetBSD kqueue implementation is working. The main