make: update to 4.2.1.
This commit is contained in:
Michael Gehring
parent
934064c311
commit
bbe52c0739
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@ -1,164 +0,0 @@
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From 4762480ae9cb8df4878286411f178d32db14eff0 Mon Sep 17 00:00:00 2001
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From: Paul Smith <psmith@gnu.org>
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Date: Tue, 31 May 2016 06:56:51 +0000
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Subject: [SV 47995] Ensure forced double-colon rules work with -j.
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The fix for SV 44742 had a side-effect that some double-colon targets
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were skipped. This happens because the "considered" facility assumed
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that all targets would be visited on each walk through the dependency
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graph: we used a bit for considered and toggled it on each pass; if
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we didn't walk the entire graph on every pass the bit would get out
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of sync. The new behavior after SV 44742 might return early without
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walking the entire graph. To fix this I changed the considered value
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to an integer which is monotonically increasing: it is then never
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possible to incorrectly determine that a previous pass through the
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graph already considered the current target.
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* filedef.h (struct file): make CONSIDERED an unsigned int.
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* main.c (main): No longer need to reset CONSIDERED.
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* remake.c (update_goal_chain): increment CONSIDERED rather than
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inverting it between 0<->1.
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(update_file_1): Reset CONSIDERED to 0 so it's re-considered.
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(check_dep): Ditto.
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* tests/scripts/features/double_colon: Add a regression test.
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---
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diff --git filedef.h filedef.h
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index 507a027..14b4187 100644
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--- filedef.h
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+++ filedef.h
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@@ -58,6 +58,8 @@ struct file
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FILE_TIMESTAMP last_mtime; /* File's modtime, if already known. */
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FILE_TIMESTAMP mtime_before_update; /* File's modtime before any updating
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has been performed. */
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+ unsigned int considered; /* equal to 'considered' if file has been
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+ considered on current scan of goal chain */
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int command_flags; /* Flags OR'd in for cmds; see commands.h. */
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enum update_status /* Status of the last attempt to update. */
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{
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@@ -96,8 +98,6 @@ struct file
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unsigned int ignore_vpath:1;/* Nonzero if we threw out VPATH name. */
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unsigned int pat_searched:1;/* Nonzero if we already searched for
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pattern-specific variables. */
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- unsigned int considered:1; /* equal to 'considered' if file has been
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- considered on current scan of goal chain */
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unsigned int no_diag:1; /* True if the file failed to update and no
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diagnostics has been issued (dontcare). */
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};
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diff --git main.c main.c
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index 576f2e9..e606488 100644
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--- main.c
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+++ main.c
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@@ -2262,10 +2262,6 @@ main (int argc, char **argv, char **envp)
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for (i = 0, d = read_files; d != 0; ++i, d = d->next)
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{
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- /* Reset the considered flag; we may need to look at the file
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- again to print an error. */
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- d->file->considered = 0;
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-
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if (d->file->updated)
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{
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/* This makefile was updated. */
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diff --git remake.c remake.c
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index df1a9e0..5d5d67a 100644
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--- remake.c
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+++ remake.c
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@@ -57,8 +57,9 @@ unsigned int commands_started = 0;
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static struct goaldep *goal_list;
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static struct dep *goal_dep;
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-/* Current value for pruning the scan of the goal chain (toggle 0/1). */
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-static unsigned int considered;
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+/* Current value for pruning the scan of the goal chain.
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+ All files start with considered == 0. */
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+static unsigned int considered = 0;
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static enum update_status update_file (struct file *file, unsigned int depth);
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static enum update_status update_file_1 (struct file *file, unsigned int depth);
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@@ -90,12 +91,12 @@ update_goal_chain (struct goaldep *goaldeps)
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goal_list = rebuilding_makefiles ? goaldeps : NULL;
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- /* All files start with the considered bit 0, so the global value is 1. */
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- considered = 1;
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-
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#define MTIME(file) (rebuilding_makefiles ? file_mtime_no_search (file) \
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: file_mtime (file))
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+ /* Start a fresh batch of consideration. */
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+ ++considered;
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+
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/* Update all the goals until they are all finished. */
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while (goals != 0)
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@@ -247,10 +248,10 @@ update_goal_chain (struct goaldep *goaldeps)
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}
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}
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- /* If we reached the end of the dependency graph toggle the considered
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- flag for the next pass. */
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+ /* If we reached the end of the dependency graph update CONSIDERED
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+ for the next pass. */
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if (g == 0)
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- considered = !considered;
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+ ++considered;
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}
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if (rebuilding_makefiles)
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@@ -615,8 +616,8 @@ update_file_1 (struct file *file, unsigned int depth)
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break;
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if (!running)
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- /* The prereq is considered changed if the timestamp has changed while
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- it was built, OR it doesn't exist. */
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+ /* The prereq is considered changed if the timestamp has changed
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+ while it was built, OR it doesn't exist. */
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d->changed = ((file_mtime (d->file) != mtime)
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|| (mtime == NONEXISTENT_MTIME));
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@@ -650,7 +651,7 @@ update_file_1 (struct file *file, unsigned int depth)
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/* We may have already considered this file, when we didn't know
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we'd need to update it. Force update_file() to consider it and
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not prune it. */
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- d->file->considered = !considered;
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+ d->file->considered = 0;
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new = update_file (d->file, depth);
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if (new > dep_status)
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@@ -1087,7 +1088,7 @@ check_dep (struct file *file, unsigned int depth,
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/* If the target was waiting for a dependency it has to be
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reconsidered, as that dependency might have finished. */
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if (file->command_state == cs_deps_running)
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- file->considered = !considered;
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+ file->considered = 0;
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set_command_state (file, cs_not_started);
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}
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diff --git tests/scripts/features/double_colon tests/scripts/features/double_colon
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index 80ddb31..58f126f 100644
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--- tests/scripts/features/double_colon
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+++ tests/scripts/features/double_colon
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@@ -197,6 +197,21 @@ all:: 3
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',
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'-rs -j2 1 2 root', "all_one\nall_two\nroot\n");
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+# SV 47995 : Parallel double-colon rules with FORCE
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+
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+run_make_test('
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+all:: ; @echo one
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+
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+all:: joe ; @echo four
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+
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+joe: FORCE ; touch joe-is-forced
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+
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+FORCE:
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+',
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+ '-j5', "one\ntouch joe-is-forced\nfour\n");
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+
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+unlink('joe-is-forced');
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+
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# This tells the test driver that the perl test script executed properly.
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1;
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--
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cgit v0.9.0.2
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@ -1,7 +1,7 @@
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# Template build file for 'make'
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pkgname=make
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version=4.2
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revision=3
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version=4.2.1
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revision=1
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bootstrap=yes
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build_style=gnu-configure
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configure_args="--without-guile"
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@ -10,4 +10,4 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
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homepage="http://www.gnu.org/software/make"
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license="GPL-3"
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distfiles="http://ftp.gnu.org/pub/gnu/make/$pkgname-$version.tar.bz2"
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checksum=4e5ce3b62fe5d75ff8db92b7f6df91e476d10c3aceebf1639796dc5bfece655f
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checksum=d6e262bf3601b42d2b1e4ef8310029e1dcf20083c5446b4b7aa67081fdffc589
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