Rebase libarchive to 2.7.1

1 files changed, 43 insertions, 0 deletions

diff --git a/libarchive/libarchive-2.7.1/build/cmake/CheckFileOffsetBits.cmake b/libarchive/libarchive-2.7.1/build/cmake/CheckFileOffsetBits.cmake
new file mode 100644
index 0000000..3e52ed3
--- /dev/null
+++ b/libarchive/libarchive-2.7.1/build/cmake/CheckFileOffsetBits.cmake
@@ -0,0 +1,43 @@
+# - Check if _FILE_OFFSET_BITS macro needed for large files
+# CHECK_FILE_OFFSET_BITS ()
+#
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
+#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+#  CMAKE_REQUIRED_INCLUDES = list of include directories
+# Copyright (c) 2009, Michihiro NAKAJIMA
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_FILE_OFFSET_BITS)
+
+  IF(NOT DEFINED _FILE_OFFSET_BITS)
+    MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files")
+    TRY_COMPILE(__WITHOUT_FILE_OFFSET_BITS_64
+      ${CMAKE_BINARY_DIR}
+      ${CMAKE_SOURCE_DIR}/build/cmake/CheckFileOffsetBits.c
+      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS})
+    IF(NOT __WITHOUT_FILE_OFFSET_BITS_64)
+      TRY_COMPILE(__WITH_FILE_OFFSET_BITS_64
+        ${CMAKE_BINARY_DIR}
+        ${CMAKE_SOURCE_DIR}/build/cmake/CheckFileOffsetBits.c
+        COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_FILE_OFFSET_BITS=64)
+    ENDIF(NOT __WITHOUT_FILE_OFFSET_BITS_64)
+
+    IF(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64)
+      SET(_FILE_OFFSET_BITS 64 CACHE INTERNAL "_FILE_OFFSET_BITS macro needed for large files")
+      MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files - needed")
+    ELSE(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64)
+      SET(_FILE_OFFSET_BITS "" CACHE INTERNAL "_FILE_OFFSET_BITS macro needed for large files")
+      MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files - not needed")
+    ENDIF(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64)
+  ENDIF(NOT DEFINED _FILE_OFFSET_BITS)
+
+ENDMACRO (CHECK_FILE_OFFSET_BITS)
+