[Bug 49000] New: update to 5.6 breaks libtool in usage of GNU autoconf ./configure

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49000

            Bug ID: 49000
           Summary: update to 5.6 breaks libtool in usage of GNU autoconf
                    ./configure
           Product: Wine
           Version: 5.6
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: noel.kuntze+bugs.winehq at thermi.consulting
      Distribution: ---

When updating to 5.6, paths that are generated by libtool or GNU autoconf
(unknown which specifically) in third party programs, specifically by the
./configure script of GNU autoconf programs contain trailing newlines now. This
breaks the generated .libs/lb-*.c files.
A short excerpt of the troublesome section:

#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
# define externally_visible volatile
#else
# define externally_visible __attribute__((externally_visible)) volatile
#endif
externally_visible const char * MAGIC_EXE = "%%%MAGIC EXE variable%%%";
const char * LIB_PATH_VARNAME = "PATH";
const char * LIB_PATH_VALUE   =
"Z:\\home\\thermi\\UNITS\\Contauro_AG\\strongswan\\src\\libstrongswan\\.libs
;";
const char * EXE_PATH_VARNAME = "PATH";
const char * EXE_PATH_VALUE   = "Z:\\usr\\x86_64-w64-mingw32\\lib
;Z:\\usr\\x86_64-w64-mingw32\\bin
;Z:\\usr\\local\\lib
;Z:\\usr\\local\\bin
;Z:\\home\\thermi\\UNITS\\Contauro_AG\\strongswan\\src\\libstrongswan\\.libs
;Z:\\usr\\local\\lib\\ipsec
;";

^ this is not valid C code (with Wine 5.5, there are no newlines between the
paths and the ; chararacters. That then is valid C code).

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