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f4fc16754a
The `HDRS` and/or `INCS` variables need to be defined in order for `mkdeps.com` to compute build dependencies for `o//depend`. We're using INCS here since makeint.h is the evil kind of header that isn't actually defining a library interface but rather is a hodgepodge of common code.
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/* clang-format off */
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/* API for GNU Make dynamic objects.
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Copyright (C) 2013-2020 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "third_party/make/makeint.inc"
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#include "third_party/make/filedef.h"
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#include "third_party/make/variable.h"
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#include "third_party/make/dep.h"
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/* Allocate a buffer in our context, so we can free it. */
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char *
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gmk_alloc (unsigned int len)
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{
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return xmalloc (len);
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}
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/* Free a buffer returned by gmk_expand(). */
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void
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gmk_free (char *s)
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{
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free (s);
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}
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/* Evaluate a buffer as make syntax.
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Ideally eval_buffer() will take const char *, but not yet. */
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void
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gmk_eval (const char *buffer, const gmk_floc *gfloc)
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{
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/* Preserve existing variable buffer context. */
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char *pbuf;
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size_t plen;
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char *s;
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floc fl;
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floc *flp;
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if (gfloc)
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{
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fl.filenm = gfloc->filenm;
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fl.lineno = gfloc->lineno;
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fl.offset = 0;
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flp = &fl;
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}
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else
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flp = NULL;
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install_variable_buffer (&pbuf, &plen);
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s = xstrdup (buffer);
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eval_buffer (s, flp);
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free (s);
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restore_variable_buffer (pbuf, plen);
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}
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/* Expand a string and return an allocated buffer.
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Caller must call gmk_free() with this buffer. */
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char *
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gmk_expand (const char *ref)
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{
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return allocated_variable_expand (ref);
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}
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/* Register a function to be called from makefiles. */
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void
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gmk_add_function (const char *name, gmk_func_ptr func,
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unsigned int min, unsigned int max, unsigned int flags)
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{
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define_new_function (reading_file, name, min, max, flags, func);
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}
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