CMake: Do not use -lresolv if res_init exists in libc

[apt.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ced68285de72eda9091423f3613f098d3994206d..8c41534adac0147d09dbcfa2afa698997f25a002 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,6 @@ endif()
 
 # Include stuff
 include(Misc)
-include(Translations)
 include(CheckIncludeFiles)
 include(CheckFunctionExists)
 include(CheckStructHasMember)
@@ -27,6 +26,12 @@ include(GNUInstallDirs)
 include(TestBigEndian)
 find_package(Threads)
 find_package(PkgConfig)
+find_package(LFS REQUIRED)
+
+# Add large file support
+add_compile_options(${LFS_COMPILE_OPTIONS})
+add_definitions(${LFS_DEFINITIONS})
+link_libraries(${LFS_LIBRARIES})
 
 # Set compiler flags
 set(CMAKE_CXX_STANDARD 11)
@@ -106,10 +111,46 @@ check_function_exists(ptsname_r HAVE_PTSNAME_R)
 check_function_exists(timegm HAVE_TIMEGM)
 test_big_endian(WORDS_BIGENDIAN)
 
+# FreeBSD
+add_definitions(-D_WITH_GETLINE=1)
+
 if (CMAKE_USE_PTHREADS_INIT)
   set(HAVE_PTHREAD 1)
 endif()
 
+CHECK_INCLUDE_FILES(machine/endian.h HAVE_MACHINE_ENDIAN_H)
+CHECK_INCLUDE_FILES(sys/endian.h HAVE_SYS_ENDIAN_H)
+CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
+if (NOT HAVE_ENDIAN_H)
+  if (HAVE_MACHINE_ENDIAN_H OR HAVE_SYS_ENDIAN_H)
+    configure_file(CMake/endian.h.in ${PROJECT_BINARY_DIR}/include/endian.h)
+  else()
+    message(FATAL_ERROR "Cannot find endian.h")
+  endif()
+endif()
+
+
+include(CheckTypeSize)
+set(CMAKE_EXTRA_INCLUDE_FILES "signal.h")
+check_type_size("sig_t" SIG_T LANGUAGE "CXX")
+check_type_size("sighandler_t" SIGHANDLER_T LANGUAGE "CXX")
+set(CMAKE_EXTRA_INCLUDE_FILES)
+if (NOT HAVE_SIGHANDLER_T)
+  if (HAVE_SIG_T)
+    add_definitions(-Dsighandler_t=sig_t)
+  else()
+    message(FATAL_ERROR "Platform defines neither sig_t nor sighandler_t")
+  endif()
+endif()
+
+# Handle resolving
+check_function_exists(res_init HAVE_LIBC_RESOLV)
+if(HAVE_LIBC_RESOLV)
+    set(RESOLV_LIBRARIES)
+else()
+    set(RESOLV_LIBRARIES -lresolv)
+endif()
+
 # Configure some variables like package, version and architecture.
 set(PACKAGE ${PROJECT_NAME})
 set(PACKAGE_MAIL "APT Development Team <deity@lists.debian.org>")
@@ -138,11 +179,14 @@ add_subdirectory(doc)
 add_subdirectory(dselect)
 add_subdirectory(ftparchive)
 add_subdirectory(methods)
-add_subdirectory(po)
 add_subdirectory(test)
 
+if (USE_NLS)
+add_subdirectory(po)
+
 # Link update-po4a into the update-po target
 add_dependencies(update-po update-po4a)
+endif()
 
 # Create our directories.
 install_empty_directories(