The autoconf macro AC_SYS_LARGEFILE defines _FILE_OFFSET_BITS=64 where necessary to ensure that off_t and all interfaces using off_t are 64bit, even on 32bit systems.
Pass -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=66 via CFLAGS Signed-off-by: Khem Raj <[email protected]> --- configure.ac | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/configure.ac b/configure.ac index a736ff0..e8bb003 100644 --- a/configure.ac +++ b/configure.ac @@ -13,6 +13,8 @@ AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_AUX_DIR(config) AM_INIT_AUTOMAKE([foreign -Wall]) +AC_SYS_LARGEFILE + # Checks for programs. AM_PROG_AR AC_PROG_CC @@ -319,6 +321,9 @@ if test "x$enable_lzma" = "xyes"; then CPPFLAGS="${saved_CPPFLAGS}" fi +# Enable 64-bit off_t +CFLAGS+=" -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" + # Set up needed symbols, conditionals and compiler/linker flags AM_CONDITIONAL([ENABLE_LZ4], [test "x${have_lz4}" = "xyes"]) AM_CONDITIONAL([ENABLE_LZ4HC], [test "x${have_lz4hc}" = "xyes"]) -- 2.39.0
