diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 61dc357..d951e9d 100644 --- a/configure.ac +++ b/configure.ac @@ -110,6 +110,12 @@ if test "$have_w32_system" != yes; then gl_THREADLIB_EARLY fi +# We build libgpg-error with large file support so that we have a 64 +# bit off_t. Our external interface uses the gpgrt_off_t which is +# anyway specified as 64 bit. Thus the same libgpg-error can be used +# by software which is not build with large file support. +AC_SYS_LARGEFILE + LT_PREREQ([2.2.6]) LT_INIT([win32-dll disable-static]) @@ -154,7 +160,7 @@ AM_GNU_GETTEXT([external]) # Checks for header files. AC_HEADER_STDC -AC_CHECK_HEADERS([stdlib.h locale.h]) +AC_CHECK_HEADERS([stdlib.h locale.h stdint.h]) AC_FUNC_STRERROR_R case "${host_os}" in solaris*) @@ -170,9 +176,35 @@ esac AC_CHECK_FUNCS([flockfile vasprintf]) +# # Checks for typedefs, structures, and compiler characteristics. +# AC_C_CONST +AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(long) +AC_CHECK_SIZEOF(long long) + +# Find a 64 bit integer type to be used instead of off_t. We prefer +# the standard integer types over int64_t and finally try long long. +if test "$ac_cv_sizeof_int" = "8"; then + replacement_for_off_t="int" +elif test "$ac_cv_sizeof_long" = "8"; then + replacement_for_off_t="long" +elif test "$ac_cv_header_stdint_h" = yes; then + replacement_for_off_t="int64_t" +elif test "$ac_cv_sizeof_long_long" = "8"; then + replacement_for_off_t="long long" +else + AC_MSG_ERROR([[ +*** +*** No 64 bit signed integer type found. Can't build this library. +***]]) +fi +AC_DEFINE_UNQUOTED(REPLACEMENT_FOR_OFF_T, "$replacement_for_off_t", + [Used by mkheader to insert the replacement type.]) + + # # Setup gcc specific options |