Large file support

Signed-off-by: Matt Colyer <matt@colyer.name>

3 files changed, 30 insertions, 3 deletions

diff --git a/configure.ac b/configure.ac
index 286b1d8..7c31e2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,4 +59,31 @@ if test "$no_debug_code" = true; then
         AC_DEFINE(STRIP_DEBUG_CODE,1,[Strip debug reporting code])
 fi
 
+# check for large file support
+AC_SYS_LARGEFILE
+LFS_CFLAGS=''
+if test "$enable_largefile" != no; then
+    if test "$ac_cv_sys_file_offset_bits" != 'no'; then
+        LFS_CFLAGS="$LFS_CFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
+    else
+        AC_MSG_CHECKING(for native large file support)
+        AC_RUN_IFELSE([#include <unistd.h>
+          int main (int argc, char **argv)
+          {
+              exit(!(sizeof(off_t) == 8));
+          }],
+        [ac_cv_sys_file_offset_bits=64; AC_DEFINE(_FILE_OFFSET_BITS,64)
+         AC_MSG_RESULT(yes)],
+        [AC_MSG_RESULT(no)])
+    fi
+    if test "$ac_cv_sys_large_files" != 'no'; then
+        LFS_CFLAGS="$LFS_CFLAGS -D_LARGE_FILES=1"
+    fi
+    AC_FUNC_FSEEKO
+    if test "$ac_cv_sys_largefile_source" != 'no'; then
+        LFS_CFLAGS="$LFS_CFLAGS -D_LARGEFILE_SOURCE=1"
+    fi
+fi
+AC_SUBST(LFS_CFLAGS)
+
 AC_OUTPUT(Makefile src/Makefile include/Makefile fdi/Makefile dev/Makefile libiphone-1.0.pc)
diff --git a/dev/Makefile.am b/dev/Makefile.am
index 4833728..5f85ad7 100644
--- a/dev/Makefile.am
+++ b/dev/Makefile.am
@@ -1,6 +1,6 @@
 INCLUDES = -I$(top_srcdir)/include
 
-AM_CFLAGS = $(libxml2_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) -g
+AM_CFLAGS = $(libxml2_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) -g $(LFS_CFLAGS)
 AM_LDFLAGS = $(libxml2_LIBS) $(libusb_LIBS) $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS)
 
 bin_PROGRAMS = iphoneclient lckd-client afccheck
@@ -16,4 +16,4 @@ lckd_client_LDADD = ../src/libiphone.la
 afccheck_SOURCES = afccheck.c
 afccheck_CFLAGS = $(AM_CFLAGS)
 afccheck_LDFLAGS = $(AM_LDFLAGS)
-afccheck_LDADD = ../src/libiphone.la
\ No newline at end of file
+afccheck_LDADD = ../src/libiphone.la
diff --git a/src/Makefile.am b/src/Makefile.am
index 382be1f..2661ed6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 INCLUDES = -I$(top_srcdir)/include
 
-AM_CFLAGS = $(libxml2_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) -g -Wall
+AM_CFLAGS = $(libxml2_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) -g -Wall $(LFS_CFLAGS)
 AM_LDFLAGS = $(libxml2_LIBS) $(libusb_LIBS) $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS)
 
 bin_PROGRAMS = libiphone-initconf