| Commit message (Collapse) | Author | Age |
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NetBSD had a crash during build. Since the provided substitute for
reallocarray() wasn't working, use NetBSD's reallocarr(). Let
configure choose that function whenever it is available. Use
reallocarray if available. Still fallback if neither is available.
Fixes #219
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Files in lib/ are picked up and built using makefile directives in
src/Makefile.am. Remove the need to generate lib/Makefile.in and the
stub lib/Makefile.am.
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Check for cross compiling. If cross compiling, build stage1flex using a
custom link command.
We also override LDADD since that adds the replacement implementations
that are cross compiled, and instead always use the replacement library
implementations.
We don't use BUILD_OBJEXT and BUILD_EXEEXT since it seems that automake
does not support these.
Fixes #78.
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strings.h (not string.h) is the standard-defined include header for
strcasecmp(). Include <strings.h> for portability (even though glibc
exposes strcasecmp() declaration also in <string.h> by default).
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`configure` will now error if a required header or function is not
found on the system.
Also add comments on optional functions checks.
Add sys/stats.h and sys/wait.h to list of required headers in
configure.
This fixes issue #180.
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"Unlisting" the pthread test when libpthread is not available is never
a good idea. Should let it compile into a stub program that returns
the "skip" status.
configure.ac and tests/Makefile.am are edited so that pthread test can
be built anyway, but only works (not as the stub) when both pthread.h
and libpthread are detected on the system.
Also fix a small typo in tests/pthread.l comments.
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AC_PROG_YACC already detects the bison program. We can just use it,
and make notice if [ $YACC != 'bison -y' ]
Remove unused AC_SUBST([BISON], ...).
Add AM_CONDITIONAL([HAVE_BISON], ...) so that we can skip bison tests
in testsuite when bison is absent.
We don't make any attempt to detect other yacc implementations since
flex is developed with bison. While it would be possible, the need
isn't there right now. It would be possible to add a --with-parser
option that defaulted to bison if such a need cropped up.
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Use reallocarray() when we have it (i.e. in OpenBSD system). When we
don't, use equivalent overflow detection for our allocate_array and
reallocate_array functions.
Remove lib/reallocarray.c from our LIBOBJS as we no longer need it.
Provide a fallback SIZE_MAX macro definition in flexint.h (not
preprocessor friendly, but enough for our reallocate_array use case).
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If configure is run with '--disable-bootstrap', then stage1flex won't
be built and stage1scan.c will be generated by sed'ing scan.c.
This option is intended to workaround bootstrap bugs rather than to
fix the bootstrapping issues which are proving subtler and harder to
fix than anyone would like.
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For various reasons, we may wish to build libfl explicitly even when
configure has been run with the --disable-libfl option. This is
possible, now, via 'make -C src libfl.la'.
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The libcompat.la library was small and less friendly to bootstrapping
and cross compilation. Now, we will simply link individual object
files as needed, which is simpler.
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Disabling libfl is useful when building flex for a cross-toolchain.
Fixes: GH-99
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"==" is only supported by bash, "=" is the standard comparison
operator.
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HELP2MAN and TEXI2DVI (or the corresponding ac_prog variables) will
never be zero length as they fall back to the missing script; check for
the fall back and warn on that instead of always warning.
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`WARNINGFLAGS' can be passed when invoking `configure'
and when invoking `make'
if configure switch `--enable-warnings' was given
then default to something useful if we have `GCC'
`WARNINGFLAGS' is not used when compiling `stage1flex'
to avoid unnecessary clutter
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The [] characters are used for quoting in m4, so the attempt to use
them in place of `test` fails yielding the warning at build time:
.../flex/configure: line 20222: no: command not found
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This is taken from OpenSSH Portable, which in turn takes it from
OpenBSD.
reallocarray wraps the stdlib's realloc function. It takes two size
arguments and checks for overflow, like calloc, but doesn't zero the
memory. Therefore, it allows us to do overflow-safe array reallocations
and overflow-safe unzeroed array allocations, which the stdlib
allocation functions don't.
We have a bunch of specific array allocation macros, none of
which check for overflow. reallocarray should be able to replace them.
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Added test for presence of (g)texi2dvi program. Gave notice if texi2dvi
is unavailable and set TEXI2DVI=: to avoid giving users headaches.
Enhanced tests for bison and help2man with notices when the programs
aren't found. Set their program variables to use the missing script
in build-aux since it's compatible with them.
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In an effort to reduce top level directory clutter, reintroduced the
call to AC_CONFIG_AUX_DIR. Moved the call to LT_INIT to after that
call so configure will be able to find its files.
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Unfortunately, automake 1.14.1 does not play nicely with
AC_CONFIG_AUX_DIR, so upgrading the used automake version required
removing the build-aux directory and letting autoconf's installed
helper files live more over the tree.
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