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authorPeter Simons <simons@cryp.to>2009-10-06T09·14+0000
committerPeter Simons <simons@cryp.to>2009-10-06T09·14+0000
commit18f0ff003d711f88a8682131108b101debec3737 (patch)
tree22f54123dd89961fa17d0738307579ce819e06b6 /configure.ac
parent96f151783153c62bb19f39d9675b35601003f4d4 (diff)
configure.ac: use AC_SYS_LARGEFILE to determine how to enable 64-bit file size support
Defining -D_FILE_OFFSET_BITS=64 works on most platforms, but not on all (i.e.
Solaris). Also, the Autoconf macro offers the user a switch to disable the
functionality in case of problems.

Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac11
1 files changed, 5 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac
index fcb5efaf6d5d..d1cfe2fbf261 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,7 +55,7 @@ test "$localstatedir" = '${prefix}/var' && localstatedir=/nix/var
 # except that it requires the ATerm "lib" directory to be in $PATH, as
 # Windows doesn't have anything like an RPATH embedded in executable.
 # Since this is kind of annoying, we use static libraries for now.
-    
+
 AC_ARG_ENABLE(static-nix, AC_HELP_STRING([--enable-static-nix],
   [produce statically linked binaries]),
   static_nix=$enableval, static_nix=no)
@@ -63,13 +63,13 @@ AC_ARG_ENABLE(static-nix, AC_HELP_STRING([--enable-static-nix],
 if test "$sys_name" = cygwin; then
    static_nix=yes
 fi
-  
+
 if test "$static_nix" = yes; then
     AC_DISABLE_SHARED
     AC_ENABLE_STATIC
 fi
 
-  
+
 # Windows-specific stuff.
 if test "$sys_name" = "cygwin"; then
     # We cannot delete open files.
@@ -88,8 +88,7 @@ AC_PROG_LIBTOOL
 
 
 # Use 64-bit file system calls so that we can support files > 2 GiB.
-CFLAGS="-D_FILE_OFFSET_BITS=64 $CFLAGS"
-CXXFLAGS="-D_FILE_OFFSET_BITS=64 $CXXFLAGS"
+AC_SYS_LARGEFILE
 
 
 # Check for pubsetbuf.
@@ -259,7 +258,7 @@ else
   bzip2_include="-I$bzip2/include"
   bzip2_bin="$bzip2/bin"
   bzip2_bin_test="$bzip2/bin"
-fi   
+fi
 AC_SUBST(bzip2_lib)
 AC_SUBST(bzip2_include)
 AC_SUBST(bzip2_bin)