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2013-01-23configure: use XC_CONFIGURE_PREAMBLE early checksYang Tse
Some basic checks we make were placed early enough in generated configure script when using autoconf 2.5X versions. Newer autoconf versions expand these checks much further into the configure script, rendering them useless. Using XC_CONFIGURE_PREAMBLE fixes placement of early intended checks across all our autoconf supported versions.
2013-01-14configure: fix automake 1.13 compatibilityYang Tse
Tested with: buildconf: autoconf version 2.69 buildconf: autom4te version 2.69 buildconf: autoheader version 2.69 buildconf: automake version 1.13.1 buildconf: aclocal version 1.13.1 buildconf: libtool version 2.4 buildconf: GNU m4 version 1.4.16
2013-01-01curl-override.m4: provide AC_CONFIG_MACRO_DIR definition conditionallyYang Tse
Provide a 'traceable' AC_CONFIG_MACRO_DIR definition only when using an autoconf version that does not provide it, instead of what we were doing up to now of providing and overriding AC_CONFIG_MACRO_DIR for all autoconf versions.
2011-12-15configure: libtool 1.5 tweaksYang Tse
2011-03-27configure: fix libtool warningYang Tse
2010-03-24remove the CVSish $Id$ linesDaniel Stenberg
2009-10-19Our _AS_PATH_SEPARATOR_PREPARE override is now m4_defun'd instead of m4_define'dYang Tse
due to autoconf 2.64 m4_require'ing it in _AS_SHELL_SANITIZE indirectly through _AS_PATH_WALK.
2008-11-18provide a common PATH_SEPARATOR check method which is required byYang Tse
upcomming work to support the broadest range of Autoconf versions
2008-11-16trim down configure script sizeYang Tse