Facilitate compilation with Borland C++ for pragmas and vsnprintf.

[zlib.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7eefa492519ec5eed8951c24549b8c136d56fab3..a64fe0b2cae5790b2a20ff30898f31919cf5767f 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ check_include_file(stddef.h    HAVE_STDDEF_H)
 #
 # Check to see if we have large file support
 #
-set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE)
+set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
 # We add these other definitions here because CheckTypeSize.cmake
 # in CMake 2.4.x does not automatically do so and we want
 # compatibility with CMake 2.4.x.
@@ -35,7 +35,7 @@ if(HAVE_STDDEF_H)
 endif()
 check_type_size(off64_t OFF64_T)
 if(HAVE_OFF64_T)
-   add_definitions(-D_LARGEFILE64_SOURCE)
+   add_definitions(-D_LARGEFILE64_SOURCE=1)
 endif()
 set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
 
@@ -52,13 +52,6 @@ endif()
 #
 check_include_file(unistd.h Z_HAVE_UNISTD_H)
 
-#
-# Check for errno.h
-check_include_file(errno.h HAVE_ERRNO_H)
-if(NOT HAVE_ERRNO_H)
-   add_definitions(-DNO_ERRNO_H)
-endif()
-
 if(MSVC)
     set(CMAKE_DEBUG_POSTFIX "d")
     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)