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

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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
1 changed files with 21 additions and 9 deletions
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28
configure.ac
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@ -141,11 +141,6 @@ CURL_CHECK_AIX_ALL_SOURCE
dnl Our configure and build reentrant settings dnl Our configure and build reentrant settings
CURL_CONFIGURE_REENTRANT 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 dnl check for how to do large files
AC_SYS_LARGEFILE AC_SYS_LARGEFILE
@ -2006,6 +2001,14 @@ CURL_CONFIGURE_LONG
AC_CHECK_SIZEOF(time_t) AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(off_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_CHECK_TYPE(long long,
[AC_DEFINE(HAVE_LONGLONG, 1, [AC_DEFINE(HAVE_LONGLONG, 1,
[Define to 1 if the compiler supports the 'long long' data type.])] [Define to 1 if the compiler supports the 'long long' data type.])]
@ -2496,8 +2499,6 @@ dnl ************************************************************
dnl enforce SONAME bump dnl enforce SONAME bump
dnl dnl
soname_bump=no
AC_MSG_CHECKING([whether to enforce SONAME bump]) AC_MSG_CHECKING([whether to enforce SONAME bump])
AC_ARG_ENABLE(soname-bump, AC_ARG_ENABLE(soname-bump,
AC_HELP_STRING([--enable-soname-bump],[Enable enforced 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) AC_MSG_RESULT(nope: $enableval)
;; ;;
esac ], esac ],
AC_MSG_RESULT(nono) AC_MSG_RESULT($soname_bump)
) )
AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes) AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes)
@ -2599,3 +2600,14 @@ AC_MSG_NOTICE([Configured to build curl/libcurl:
LDAP support: ${curl_ldap_msg} 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