diff options
| author | Jay Berkenbilt <ejb@ql.org> | 2019-06-21 13:01:33 +0200 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2019-06-21 19:17:21 +0200 |
| commit | 2155815234808373a00fcba67a59e40f40c564ee (patch) | |
| tree | 5ceec67828918c0b94853b070fd37e791f25540c /configure.ac | |
| parent | f562d494b09dd889ac7600cfd22e4d7124e8656c (diff) | |
| download | qpdf-2155815234808373a00fcba67a59e40f40c564ee.tar.zst | |
configure: determine wordsize automatically
Based on sizeof(size_t). Assumes 64 if not 32.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/configure.ac b/configure.ac index 13db7395..9dba223f 100644 --- a/configure.ac +++ b/configure.ac @@ -123,20 +123,16 @@ else AC_MSG_RESULT(yes) fi -WINDOWS_WORDSIZE= -AC_SUBST(WINDOWS_WORDSIZE) -AC_ARG_WITH(windows-wordsize, - AS_HELP_STRING([--with-windows-wordsize={32,64}], - [Windows only: whether this is a 32-bit or 64-bit build; required if external-libs are enabled]), - [WINDOWS_WORDSIZE=$withval], - [WINDOWS_WORDSIZE=none]) -if test "$USE_EXTERNAL_LIBS" = "1"; then - AC_MSG_CHECKING(for windows wordsize) - AC_MSG_RESULT($WINDOWS_WORDSIZE) - if ! test "$WINDOWS_WORDSIZE" = "32" -o "$WINDOWS_WORDSIZE" = "64"; then - AC_MSG_ERROR(Windows wordsize of 32 or 64 must be specified if external libs are being used.) - fi +AC_CHECK_SIZEOF([size_t]) +if test "$ac_cv_sizeof_size_t" = "4"; then + IS_32BIT=1 + WINDOWS_WORDSIZE=32 +else + IS_32BIT=0 + WINDOWS_WORDSIZE=64 fi +AC_SUBST(IS_32BIT) +AC_SUBST(WINDOWS_WORDSIZE) if test "$BUILD_INTERNAL_LIBS" = "0"; then AC_CHECK_HEADER(zlib.h,,[MISSING_ZLIB_H=1; MISSING_ANY=1]) |