I have encountered problems by reexecuting autoconf on a project that used to work fine with a previous version of cygwin. I cannot give details about on which versions it worked and since when it broke as the last successful configuration is many months old. However, I wanted to give the list of tweaks that I have performed to the file libtool.m4 to fix my problems:
1. By running aclocal-1.6 -I m4, the tool returned messages saying that macros _LT_PREPARE_SED_QUOTE_VARS _LT_PROG_ECHO_BACKSLASH were required but not defined. By doing a search on Internet, I have found the following http://www.mail-archive.com/libtool-patc...@gnu.org/msg03162.html and by replacing "m4_defun" for "AC_DEFUN" for these 2 macros, it fixed the first problem. 2. The second problem (and not sure which tool was returning the error, sorry) was complaining about a circular dependency on AC_LANG_COMPILER(C++) inside the macro " AC_COMPILE_IFELSE " used in my configure.in file. The recursive use has been found in a) _LT_LANG_CXX_CONFIG inside the case for aix4-9 in the first switch case b) _LT_SYS_DYNAMIC_LINKER inside the case for linux (using AC_CACHE_VAL) in a switch case. To fix the problem, I just removed these 2 irrelevent cases in the cygwin environment. I hope this e-mail will help the libtool maintainer. Olivier Langlois Senior C++ Programmer STREAMTHEWORLD t. 1 866 448 4037 ext. 675 t. 1 514 448 4037 ext. 675 f. 1 514 807 1861 olivier.langl...@streamtheworld.com streamtheworld.com NAB Show 2009: See our iPhone application demo and more at booth C755
cygcheck.out
Description: cygcheck.out
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