I have a header file avcall.h which collects the results of autoconf tests, so
it is mentioned in AC_CONFIG_HEADERS.
I also want it to define the package version cpp macro, so I added
#if !defined(LIBFFCALL_VERSION)
# define LIBFFCALL_VERSION @PACKAGE_VERSION@
#endif
to it (there are several such headers, each has these 3 lines).
however, configure did not substitute @PACKAGE_VERSION@.
thus I added avcall.h to AC_CONFIG_FILES.
nothing changed, no warning or error on configure generation.
so I added this to configure.in:
AC_CONFIG_HEADERS([avcall.h],
[sed "s/@PACKAGE_VERSION@/${PACKAGE_VERSION}/" avcall.h > tmp
mv -f tmp avcall.h])
now @PACKAGE_VERSION@ is removed, nothing is inserted.
if I replace " with ' or escape $ with \, I see ${PACKAGE_VERSION} instead of
its value in configure.
I am sure this can be fixed with some judicious use of quoting (how?!),
but I am wondering if there is a simpler way around.
Thanks.
Sam.
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