if the size of off_t is not the same as curl_off_t, this is not like how libcurl

used to get built < 7.19.0 so we enforce an soname bump and display a warning
This commit is contained in:
Daniel Stenberg 2008-08-25 12:49:13 +00:00
parent ec28988bfa
commit 3f3d6ebe66

View File

@ -141,11 +141,6 @@ CURL_CHECK_AIX_ALL_SOURCE
dnl Our configure and build reentrant settings
CURL_CONFIGURE_REENTRANT
dnl check for off_t size once before enabling large files
AC_CHECK_SIZEOF([off_t_before_largefile], [], [AC_INCLUDES_DEFAULT
typedef off_t off_t_before_largefile;])
dnl check for how to do large files
AC_SYS_LARGEFILE
@ -2006,6 +2001,14 @@ CURL_CONFIGURE_LONG
AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(off_t)
soname_bump=no
if test $ac_cv_sizeof_off_t -ne $curl_sizeof_curl_off_t; then
AC_MSG_WARN([This libcurl built is probably not ABI compatible with previous])
AC_MSG_WARN([builds! You MUST read lib/README.curl_off_t to figure it out.])
soname_bump=yes
fi
AC_CHECK_TYPE(long long,
[AC_DEFINE(HAVE_LONGLONG, 1,
[Define to 1 if the compiler supports the 'long long' data type.])]
@ -2496,8 +2499,6 @@ dnl ************************************************************
dnl enforce SONAME bump
dnl
soname_bump=no
AC_MSG_CHECKING([whether to enforce SONAME bump])
AC_ARG_ENABLE(soname-bump,
AC_HELP_STRING([--enable-soname-bump],[Enable enforced SONAME bump])
@ -2510,7 +2511,7 @@ AC_HELP_STRING([--disable-soname-bump],[Disable enforced SONAME bump]),
AC_MSG_RESULT(nope: $enableval)
;;
esac ],
AC_MSG_RESULT(nono)
AC_MSG_RESULT($soname_bump)
)
AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes)
@ -2597,5 +2598,16 @@ AC_MSG_NOTICE([Configured to build curl/libcurl:
ca cert bundle: ${ca}
ca cert path: ${capath}
LDAP support: ${curl_ldap_msg}
LDAPS support: ${curl_ldaps_msg}
LDAPS support: ${curl_ldaps_msg}
])
if test "x$soname_bump" = "xyes"; then
cat <<EOM
SONAME bump: yes - WARNING: this library will be built with the SONAME
number bumped due to (a detected) ABI breakage.
See lib/README.curl_off_t for details on this.
EOM
fi