freebsd-src/contrib/bmake/unit-tests/var-readonly.mk

# $NetBSD: var-readonly.mk,v 1.4 2023/12/20 08:42:10 rillig Exp $

# the answer
N = 42
.READONLY: N
# this should be ignored
N = 666
.if ${N} != 42
.error N ($N) should be 42
.endif

# undef should fail
.MAKEFLAGS: -dv
.undef N
.ifndef N
.error N should not be undef'd
.endif
.MAKEFLAGS: -d0

.NOREADONLY: N
# now we can change it
N = 69
.if ${N} == 42
.error N should not be 42
.endif

all:
Import bmake-20240108 Interesting/relevant changes since bmake-20230909 * VERSION (_MAKE_VERSION): 20240106 Merge with NetBSD make, pick up o fix duplicate progname when reporting an unknown target o unit tests for Cmd_Exec using temp file * VERSION (_MAKE_VERSION): 20240105 Merge with NetBSD make, pick up o main.c: Cmd_Exec write cmd to a file if too big avoid blowing commandline/env limits * VERSION (_MAKE_VERSION): 20240101 o util.c: flesh out more of strftime * configure.in: add --with-bmake-strftime it is not a full implementation but enough to pass all the unit-tests. * parse.c: LoadFile do not append \n to empty buffer. * VERSION (_MAKE_VERSION): 20231230 Merge with NetBSD make, pick up o simplify memory allocation for string buffers o fix declared types of list nodes o suff.c: clean up freeing of suffixes o var.c: simplify debug message for the ':@var@...@' modifier clean up variable handling * VERSION (_MAKE_VERSION): 20231226 Merge with NetBSD make, pick up o compat.c: ensure make's output is correctly ordered with that of the target when not going to a tty o main.c: check for shellPath whether to call Shell_Init() * VERSION (_MAKE_VERSION): 20231224 Merge with NetBSD make, pick up o compat.c: check for shellPath whether to call Shell_Init() tweak the unit test to detect the bug thus fixed. o make.1: do not claim .SHELL is only used by jobs mode. * VERSION (_MAKE_VERSION): 20231220 Merge with NetBSD make, pick up o str.c: speed up pattern matching in the ':M' modifier o var.c: fix confusing debug logging when deleting a variable use consistent debug messages style when ignoring variables * VERSION (_MAKE_VERSION): 20231210 Merge with NetBSD make, pick up o var.c: avoid segfault on empty :C match expression explain in debug log why variable assignment is ignored. * VERSION (_MAKE_VERSION): 20231208 Merge with NetBSD make, pick up o var.c: ensure fromCmd is set correctly for variables set on command line. * VERSION (_MAKE_VERSION): 20231124 Merge with NetBSD make, pick up o main.c: cleanup processing of -j fix lint warning about strchr o var.c: more accurate error message for invalid ':mtime' argument cleanup :[...] modifier avoid reading beyond substring when comparing o unit-tests cover all cases of :mtime, test and explain exporting of variables o cleanup comments * bsd.after-import.mk (ECHO_TAG): FreeBSD no longer uses $FreeBSD$ tag, so avoid adding it. mk/ChangeLog since bmake-20230909 * dirdeps.mk: for MAKE_VERSION 20240105 we do not have the same limits on command line length, so skip export of lists to env. * jobs.mk: avoid C suffix in JOB_MAX_C if factor is floating point. This keeps JOB_MAX numeric incase another makefile does comparisons. * gendirdeps.mk: if META_XTRAS is passed to us, add to META_FILES 2024-01-14 01:16:25 +00:00			`# $NetBSD: var-readonly.mk,v 1.4 2023/12/20 08:42:10 rillig Exp $`
Import bmake-20230126 Relevant/interesting changes (see ChangeLog for more): o variables like .newline and .MAKE.{GID,PID,PPID,UID} should be read-only. o .[NO]READONLY: for control of read-only variables o .SYSPATH: for controlling the path searched for makefiles o allow for white-space between command specifiers @+- o add more details to warning 'Extra targets ignored' o make.1: sync list of built-in variables with reality sort list of built-in variables o cond.c: add more details to error message for numeric comparison o job.c: fix handling of null bytes in output o Allow .break to terminate a .for loop early o var.c: fix out-of-bounds errors when parsing o fix exit status for '-q' (since 1994) 2023-01-28 00:23:54 +00:00
			`# the answer`
			`N = 42`
			`.READONLY: N`
			`# this should be ignored`
			`N = 666`
			`.if ${N} != 42`
			`.error N ($N) should be 42`
			`.endif`

Import bmake-20230622 Relevant/interesting changes: o optimize string matching for ':M' and ':N' o warn about malformed patterns in ':M', ':N' and '.if make(...)' o allow guards to be targets as well as variables The guard targets may include variable references like __${.PARSEDIR:tA}/${.PARSEFILE}__ o optimization for makefiles protected from multiple-inclusion skip even opening the file after first include. o var.c: do not allow delete of readOnly variable o parse.c: .break takes no args 2023-06-27 20:29:43 +00:00			`# undef should fail`
Import bmake-20240108 Interesting/relevant changes since bmake-20230909 * VERSION (_MAKE_VERSION): 20240106 Merge with NetBSD make, pick up o fix duplicate progname when reporting an unknown target o unit tests for Cmd_Exec using temp file * VERSION (_MAKE_VERSION): 20240105 Merge with NetBSD make, pick up o main.c: Cmd_Exec write cmd to a file if too big avoid blowing commandline/env limits * VERSION (_MAKE_VERSION): 20240101 o util.c: flesh out more of strftime * configure.in: add --with-bmake-strftime it is not a full implementation but enough to pass all the unit-tests. * parse.c: LoadFile do not append \n to empty buffer. * VERSION (_MAKE_VERSION): 20231230 Merge with NetBSD make, pick up o simplify memory allocation for string buffers o fix declared types of list nodes o suff.c: clean up freeing of suffixes o var.c: simplify debug message for the ':@var@...@' modifier clean up variable handling * VERSION (_MAKE_VERSION): 20231226 Merge with NetBSD make, pick up o compat.c: ensure make's output is correctly ordered with that of the target when not going to a tty o main.c: check for shellPath whether to call Shell_Init() * VERSION (_MAKE_VERSION): 20231224 Merge with NetBSD make, pick up o compat.c: check for shellPath whether to call Shell_Init() tweak the unit test to detect the bug thus fixed. o make.1: do not claim .SHELL is only used by jobs mode. * VERSION (_MAKE_VERSION): 20231220 Merge with NetBSD make, pick up o str.c: speed up pattern matching in the ':M' modifier o var.c: fix confusing debug logging when deleting a variable use consistent debug messages style when ignoring variables * VERSION (_MAKE_VERSION): 20231210 Merge with NetBSD make, pick up o var.c: avoid segfault on empty :C match expression explain in debug log why variable assignment is ignored. * VERSION (_MAKE_VERSION): 20231208 Merge with NetBSD make, pick up o var.c: ensure fromCmd is set correctly for variables set on command line. * VERSION (_MAKE_VERSION): 20231124 Merge with NetBSD make, pick up o main.c: cleanup processing of -j fix lint warning about strchr o var.c: more accurate error message for invalid ':mtime' argument cleanup :[...] modifier avoid reading beyond substring when comparing o unit-tests cover all cases of :mtime, test and explain exporting of variables o cleanup comments * bsd.after-import.mk (ECHO_TAG): FreeBSD no longer uses $FreeBSD$ tag, so avoid adding it. mk/ChangeLog since bmake-20230909 * dirdeps.mk: for MAKE_VERSION 20240105 we do not have the same limits on command line length, so skip export of lists to env. * jobs.mk: avoid C suffix in JOB_MAX_C if factor is floating point. This keeps JOB_MAX numeric incase another makefile does comparisons. * gendirdeps.mk: if META_XTRAS is passed to us, add to META_FILES 2024-01-14 01:16:25 +00:00			`.MAKEFLAGS: -dv`
Import bmake-20230622 Relevant/interesting changes: o optimize string matching for ':M' and ':N' o warn about malformed patterns in ':M', ':N' and '.if make(...)' o allow guards to be targets as well as variables The guard targets may include variable references like __${.PARSEDIR:tA}/${.PARSEFILE}__ o optimization for makefiles protected from multiple-inclusion skip even opening the file after first include. o var.c: do not allow delete of readOnly variable o parse.c: .break takes no args 2023-06-27 20:29:43 +00:00			`.undef N`
			`.ifndef N`
			`.error N should not be undef'd`
			`.endif`
Import bmake-20240108 Interesting/relevant changes since bmake-20230909 * VERSION (_MAKE_VERSION): 20240106 Merge with NetBSD make, pick up o fix duplicate progname when reporting an unknown target o unit tests for Cmd_Exec using temp file * VERSION (_MAKE_VERSION): 20240105 Merge with NetBSD make, pick up o main.c: Cmd_Exec write cmd to a file if too big avoid blowing commandline/env limits * VERSION (_MAKE_VERSION): 20240101 o util.c: flesh out more of strftime * configure.in: add --with-bmake-strftime it is not a full implementation but enough to pass all the unit-tests. * parse.c: LoadFile do not append \n to empty buffer. * VERSION (_MAKE_VERSION): 20231230 Merge with NetBSD make, pick up o simplify memory allocation for string buffers o fix declared types of list nodes o suff.c: clean up freeing of suffixes o var.c: simplify debug message for the ':@var@...@' modifier clean up variable handling * VERSION (_MAKE_VERSION): 20231226 Merge with NetBSD make, pick up o compat.c: ensure make's output is correctly ordered with that of the target when not going to a tty o main.c: check for shellPath whether to call Shell_Init() * VERSION (_MAKE_VERSION): 20231224 Merge with NetBSD make, pick up o compat.c: check for shellPath whether to call Shell_Init() tweak the unit test to detect the bug thus fixed. o make.1: do not claim .SHELL is only used by jobs mode. * VERSION (_MAKE_VERSION): 20231220 Merge with NetBSD make, pick up o str.c: speed up pattern matching in the ':M' modifier o var.c: fix confusing debug logging when deleting a variable use consistent debug messages style when ignoring variables * VERSION (_MAKE_VERSION): 20231210 Merge with NetBSD make, pick up o var.c: avoid segfault on empty :C match expression explain in debug log why variable assignment is ignored. * VERSION (_MAKE_VERSION): 20231208 Merge with NetBSD make, pick up o var.c: ensure fromCmd is set correctly for variables set on command line. * VERSION (_MAKE_VERSION): 20231124 Merge with NetBSD make, pick up o main.c: cleanup processing of -j fix lint warning about strchr o var.c: more accurate error message for invalid ':mtime' argument cleanup :[...] modifier avoid reading beyond substring when comparing o unit-tests cover all cases of :mtime, test and explain exporting of variables o cleanup comments * bsd.after-import.mk (ECHO_TAG): FreeBSD no longer uses $FreeBSD$ tag, so avoid adding it. mk/ChangeLog since bmake-20230909 * dirdeps.mk: for MAKE_VERSION 20240105 we do not have the same limits on command line length, so skip export of lists to env. * jobs.mk: avoid C suffix in JOB_MAX_C if factor is floating point. This keeps JOB_MAX numeric incase another makefile does comparisons. * gendirdeps.mk: if META_XTRAS is passed to us, add to META_FILES 2024-01-14 01:16:25 +00:00			`.MAKEFLAGS: -d0`
Import bmake-20230622 Relevant/interesting changes: o optimize string matching for ':M' and ':N' o warn about malformed patterns in ':M', ':N' and '.if make(...)' o allow guards to be targets as well as variables The guard targets may include variable references like __${.PARSEDIR:tA}/${.PARSEFILE}__ o optimization for makefiles protected from multiple-inclusion skip even opening the file after first include. o var.c: do not allow delete of readOnly variable o parse.c: .break takes no args 2023-06-27 20:29:43 +00:00
Import bmake-20230126 Relevant/interesting changes (see ChangeLog for more): o variables like .newline and .MAKE.{GID,PID,PPID,UID} should be read-only. o .[NO]READONLY: for control of read-only variables o .SYSPATH: for controlling the path searched for makefiles o allow for white-space between command specifiers @+- o add more details to warning 'Extra targets ignored' o make.1: sync list of built-in variables with reality sort list of built-in variables o cond.c: add more details to error message for numeric comparison o job.c: fix handling of null bytes in output o Allow .break to terminate a .for loop early o var.c: fix out-of-bounds errors when parsing o fix exit status for '-q' (since 1994) 2023-01-28 00:23:54 +00:00			`.NOREADONLY: N`
			`# now we can change it`
			`N = 69`
			`.if ${N} == 42`
			`.error N should not be 42`
			`.endif`

			`all:`