1 # Copyright (C) 1991-2021 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <https://www.gnu.org/licenses/>.
19 # Master Makefile for the GNU C library
22 This makefile requires GNU Make.
28 # This is the default target; it makes everything except the tests.
29 .PHONY
: all help minihelp
30 all: minihelp lib others
33 @sed
'0,/^help-starts-here$$/d' Makefile.help
37 @echo type
\"make help
\" for help with common glibc makefile targets
41 ifneq ($(AUTOCONF
),no
)
45 $(AUTOCONF
) $(ACFLAGS
) $< > $@.new
46 chmod a-w
$(patsubst %,$(comma
)a
+x
,$(filter .
,$(@D
))) $@.new
50 configure
: configure.ac aclocal.m4
; $(autoconf-it
)
51 %/configure
: %/configure.ac aclocal.m4
; $(autoconf-it
)
52 %/preconfigure
: %/preconfigure.ac aclocal.m4
; $(autoconf-it
)
54 endif # $(AUTOCONF) = no
57 # We don't want to run anything here in parallel.
60 # These are the targets that are made by making them in each subdirectory.
61 +subdir_targets
:= subdir_lib objects objs others subdir_mostlyclean \
62 subdir_clean subdir_distclean subdir_realclean \
64 subdir_update-abi subdir_check-abi \
65 subdir_update-all-abi \
68 subdir_objs subdir_stubs subdir_testclean \
69 $(addprefix install-
, no-libc.a bin lib data headers others
)
71 headers
:= limits.h values.h features.h features-time64.h gnu-versions.h \
72 bits
/xopen_lim.h gnu
/libc-version.h stdc-predef.h \
73 bits
/libc-header-start.h
75 echo-headers
: subdir_echo-headers
77 # The headers are in the include directory.
79 vpath
%.h
$(subdir-dirs
)
82 install-others
= $(inst_includedir
)/gnu
/stubs.h
85 ifeq (yes
,$(build-shared
))
86 headers
+= gnu
/lib-names.h
91 ifeq ($(build-programs
),yes
)
92 others
: $(addprefix $(objpfx
),$(install-bin-script
))
95 # Install from subdirectories too.
96 install: subdir_install
98 # Explicit dependency so that `make install-headers' works
99 install-headers
: install-headers-nosubdir
101 # Make sure that the dynamic linker is installed before libc.
102 $(inst_slibdir
)/libc-
$(version
).so
: elf
/ldso_install
104 .PHONY
: elf
/ldso_install
106 $(MAKE
) -C
$(@D
) $(@F
)
108 # Create links for shared libraries using the `ldconfig' program if possible.
109 # Ignore the error if we cannot update /etc/ld.so.cache.
110 ifeq (no
,$(cross-compiling
))
111 ifeq (yes
,$(build-shared
))
113 -test ! -x
$(elf-objpfx
)ldconfig || LC_ALL
=C \
114 $(elf-objpfx
)ldconfig
$(addprefix -r
,$(install_root
)) \
117 ifeq (/usr
,$(prefix))
118 ifeq (,$(install_root
))
119 LD_SO
=$(ld.so-version
) CC
="$(CC)" $(PERL
) scripts
/test-installation.pl
$(common-objpfx
)
126 # Build subdirectory lib objects.
127 lib-noranlib
: subdir_lib
129 ifeq (yes
,$(build-shared
))
130 # Build the shared object from the PIC object library.
131 lib
: $(common-objpfx
)libc.so
$(common-objpfx
)linkobj
/libc.so
132 endif # $(build-shared)
134 # Used to build testrun.sh.
135 define testrun-script
137 builddir
=`dirname "$$0"`
138 GCONV_PATH
="$${builddir}/iconvdata"
142 Usage
: $$0 [OPTIONS
] <program
> [ARGUMENTS...
]
144 --tool
=TOOL Run with the specified TOOL. It can be strace
, valgrind or
145 container. The container will run within support
/test-container.
152 while
test $$# -gt 0 ; do
167 if
test $$# -eq 0 ; then
173 exec
$(subst $(common-objdir
),"$${builddir}", $(test-program-prefix
)) \
177 exec strace
$(patsubst %, -E
%, $(run-program-env
)) \
178 $(test-via-rtld-prefix
) $${1+"$$@"}
181 exec env
$(run-program-env
) valgrind
$(test-via-rtld-prefix
) $${1+"$$@"}
184 exec env
$(run-program-env
) $(test-via-rtld-prefix
) \
185 $(common-objdir
)/support
/test-container \
186 env
$(run-program-env
) $(test-via-rtld-prefix
) $${1+"$$@"}
194 # This is a handy script for running any dynamically linked program against
195 # the current libc build for testing.
196 $(common-objpfx
)testrun.sh
: $(common-objpfx
)config.make \
197 $(..
)Makeconfig
$(..
)Makefile
198 $(file
>$@T
,$(testrun-script
))
201 postclean-generated
+= testrun.sh
206 SOURCE_DIR
="$(CURDIR)"
207 BUILD_DIR
="$(common-objpfx)"
208 CMD_FILE
="$(common-objpfx)debugglibc.gdb"
220 Usage
: $$0 [OPTIONS
] <program
>
222 Or
: $$0 [OPTIONS
] -- <program
> [<args
>]...
224 where
<program
> is the path to the program being tested
,
225 and
<args
> are the arguments to be passed to it.
230 Prints this message and leaves.
232 The following options require one argument
:
235 Breakpoints to set at the beginning of the execution
236 (each breakpoint demands its own
-b option
, e.g.
-b foo
-b bar
)
237 -e
, --environment-variable
238 Environment variables to be set with
'exec-wrapper env' in GDB
239 (each environment variable demands its own
-e option
, e.g.
240 -e FOO
=foo
-e BAR
=bar
)
242 The following options do not take arguments
:
245 Run the
test case inside a container and automatically attach
248 Selects whether to pass the
--direct flag to the program.
249 --direct is useful when debugging glibc
test cases. It inhibits the
250 tests from forking and executing in a subprocess.
251 Default behaviour is to pass the
--direct flag
, except when the
252 program is run with user specified arguments using the
"--" separator.
253 -s
, --no-symbols-file
254 Do not tell GDB to load debug symbols from the program.
258 # Parse input options
268 BREAKPOINTS
="break $$2\n$$BREAKPOINTS"
271 -e|
--environment-variable
)
272 ENVVARS
="$$2 $$ENVVARS"
281 -s|
--no-symbols-file
)
288 # Don't add --direct when user specifies program arguments
294 COMMANDLINE
=$$TESTCASE
300 # Check for required argument and if the testcase exists
301 if
[ ! -v TESTCASE
] ||
[ ! -f
$${TESTCASE} ]
307 # Container tests needing locale data should install them in-container.
308 # Other tests/binaries need to use locale data from the build tree.
309 if
[ "$$CONTAINER" = false
]
311 ENVVARS
="GCONV_PATH=$${BUILD_DIR}/iconvdata $$ENVVARS"
312 ENVVARS
="LOCPATH=$${BUILD_DIR}/localedata $$ENVVARS"
313 ENVVARS
="LC_ALL=C $$ENVVARS"
316 # Expand environment setup command
319 ENVVARSCMD
="set exec-wrapper env $$ENVVARS"
322 # Expand direct argument
323 if
[ "$$DIRECT" == true
]
330 # Check if the test case is static
331 if file
$${TESTCASE} | grep
"statically linked" >/dev
/null
338 # Expand symbols loading command
339 if
[ "$$SYMBOLSFILE" == true
]
341 SYMBOLSFILE
="add-symbol-file $${TESTCASE}"
346 # GDB commands template
350 set environment C
-E
-x c-header
351 set auto-load safe-path
$${BUILD_DIR}/nptl_db
:\
$$debugdir:\
$$datadir/auto-load
352 set libthread-db-search-path
$${BUILD_DIR}/nptl_db
356 run
--library-path
$(rpath-link
):$${BUILD_DIR}/nptl_db \
357 __COMMANDLINE__ __DIRECT__
362 # Generate the commands file for gdb initialization
364 -e
"s|__ENVVARS__|$$ENVVARSCMD|" \
365 -e
"s|__SYMBOLSFILE__|$$SYMBOLSFILE|" \
366 -e
"s|__COMMANDLINE__|$$COMMANDLINE|" \
367 -e
"s|__DIRECT__|$$DIRECT|" \
368 -e
"s|__BREAKPOINTS__|$$BREAKPOINTS|" \
372 echo
"Debugging glibc..."
373 echo
"Build directory : $$BUILD_DIR"
374 echo
"Source directory : $$SOURCE_DIR"
375 echo
"GLIBC Testcase : $$TESTCASE"
376 echo
"GDB Commands : $$CMD_FILE"
377 echo
"Env vars : $$ENVVARS"
380 if
[ "$$CONTAINER" == true
]
382 # Use testrun.sh to start the test case with WAIT_FOR_DEBUGGER=1, then
383 # automatically attach GDB to it.
384 WAIT_FOR_DEBUGGER
=1 $(common-objpfx
)testrun.sh
--tool
=container
$${TESTCASE} &
385 gdb
-x
$${TESTCASE}.gdb
386 elif
[ "$$STATIC" == true
]
390 # Start the test case debugging in two steps:
391 # 1. the following command invokes gdb to run the loader;
392 # 2. the commands file tells the loader to run the test case.
396 $${BUILD_DIR}/elf
/ld.so
400 # This is another handy script for debugging dynamically linked program
401 # against the current libc build for testing.
402 $(common-objpfx
)debugglibc.sh
: $(common-objpfx
)config.make \
403 $(..
)Makeconfig
$(..
)Makefile
404 $(file
>$@T
,$(debugglibc
))
407 postclean-generated
+= debugglibc.sh debugglibc.gdb
409 others
: $(common-objpfx
)testrun.sh
$(common-objpfx
)debugglibc.sh
411 # Makerules creates a file `stubs' in each subdirectory, which
412 # contains `#define __stub_FUNCTION' for each function defined in that
413 # directory which is a stub.
414 # Here we paste all of these together into <gnu/stubs.h>.
416 subdir-stubs
:= $(foreach dir,$(subdirs
),$(common-objpfx
)$(dir)/stubs
)
419 installed-stubs
= $(inst_includedir
)/gnu
/stubs.h
421 installed-stubs
= $(inst_includedir
)/gnu
/stubs-
$(default-abi
).h
423 $(inst_includedir
)/gnu
/stubs.h
: $(+force)
424 $(make-target-directory
)
426 echo
'/* This file is automatically generated.';\
427 echo
" This file selects the right generated file of \`__stub_FUNCTION' macros";\
428 echo
' based on the architecture being compiled for. */'; \
430 $(foreach h
,$(abi-includes
), echo
'#include <$(h)>';) \
432 $(foreach v
,$(abi-variants
),\
433 $(if
$(abi-
$(v
)-condition
),\
434 echo
'#if $(abi-$(v)-condition)'; \
435 echo
'# include <gnu/stubs-$(v).h>'); \
436 $(if
$(abi-
$(v
)-condition
),echo
'#endif';) \
437 rm -f
$(@
:.d
=.h
).new
$(v
); \
440 mv
-f
$(@
:.d
=.h
).new
$(@
:.d
=.h
)
442 install-others-nosubdir
: $(installed-stubs
)
446 # Since stubs.h is never needed when building the library, we simplify the
447 # hairy installation process by producing it in place only as the last part
448 # of the top-level `make install'. It depends on subdir_install, which
449 # iterates over all the subdirs; subdir_install in each subdir depends on
450 # the subdir's stubs file. Having more direct dependencies would result in
451 # extra iterations over the list for subdirs and many recursive makes.
452 $(installed-stubs
): include/stubs-prologue.h subdir_install
453 $(make-target-directory
)
454 @
rm -f
$(objpfx
)stubs.h
455 (sed
'/^@/d' $<; LC_ALL
=C
sort $(subdir-stubs
)) > $(objpfx
)stubs.h
456 if
test -r
$@
&& cmp
-s
$(objpfx
)stubs.h
$@
; \
457 then echo
'stubs.h unchanged'; \
458 else $(INSTALL_DATA
) $(objpfx
)stubs.h
$@
; fi
459 rm -f
$(objpfx
)stubs.h
461 # This makes the Info or DVI file of the documentation from the Texinfo source.
462 .PHONY
: info dvi pdf html
464 $(MAKE
) $(PARALLELMFLAGS
) -C manual
$@
466 # This makes all the subdirectory targets.
468 # For each target, make it depend on DIR/target for each subdirectory DIR.
469 $(+subdir_targets
): %: $(addsuffix /%,$(subdirs
))
471 # Compute a list of all those targets.
472 all-subdirs-targets
:= $(foreach dir,$(subdirs
),\
473 $(addprefix $(dir)/,$(+subdir_targets
)))
475 # The action for each of those is to cd into the directory and make the
477 $(all-subdirs-targets
):
478 $(MAKE
) $(PARALLELMFLAGS
) $(subdir-target-args
) $(@F
)
480 define subdir-target-args
481 subdir
=$(@D
)$(if
$($(@D
)-srcdir),\
482 -C
$($(@D
)-srcdir) ..
=`pwd`/,\
486 .PHONY
: $(+subdir_targets
) $(all-subdirs-targets
)
488 # Targets to clean things up to various degrees.
490 .PHONY
: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
493 # Subroutines of all cleaning targets.
494 parent-mostlyclean
: common-mostlyclean
# common-mostlyclean is in Makerules.
495 -rm -f
$(foreach o
,$(object-suffixes-for-libc
),\
496 $(common-objpfx
)$(patsubst %,$(libtype
$o),c
)) \
497 $(addprefix $(objpfx
),$(install-lib
))
498 parent-clean
: parent-mostlyclean common-clean
500 postclean
= $(addprefix $(common-objpfx
),$(postclean-generated
)) \
501 $(addprefix $(objpfx
),sysd-dirs sysd-rules
) \
502 $(addprefix $(objpfx
),sysd-sorted soversions.mk soversions.i
)
505 # This is done this way rather than having `subdir_clean' be a
506 # dependency of this target so that libc.a will be removed before the
507 # subdirectories are dealt with and so they won't try to remove object
508 # files from it when it's going to be removed anyway.
509 @
$(MAKE
) subdir_clean no_deps
=t
511 mostlyclean: parent-mostlyclean
512 @
$(MAKE
) subdir_mostlyclean no_deps
=t
516 @
$(MAKE
) subdir_testclean no_deps
=t
519 vpath c
++-types.data
$(+sysdep_dirs
)
521 tests-special
+= $(objpfx
)c
++-types-check.out
522 $(objpfx
)c
++-types-check.out
: c
++-types.data scripts
/check-c
++-types.sh
523 scripts
/check-c
++-types.sh
$< $(CXX
) $(filter-out -std
=gnu11
$(+gccwarn-c
),$(CFLAGS
)) $(CPPFLAGS
) > $@
; \
527 tests-special
+= $(objpfx
)check-local-headers.out
528 $(objpfx
)check-local-headers.out
: scripts
/check-local-headers.sh
529 AWK
='$(AWK)' scripts
/check-local-headers.sh \
530 "$(includedir)" "$(objpfx)" < /dev
/null
> $@
; \
533 ifneq "$(headers)" ""
534 # Special test of all the installed headers in this directory.
535 tests-special
+= $(objpfx
)check-installed-headers-c.out
536 libof-check-installed-headers-c
:= testsuite
537 $(objpfx
)check-installed-headers-c.out
: \
538 scripts
/check-installed-headers.sh
$(headers
)
539 $(SHELL
) $(..
)scripts
/check-installed-headers.sh c \
540 "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
545 tests-special
+= $(objpfx
)check-installed-headers-cxx.out
546 libof-check-installed-headers-cxx
:= testsuite
547 $(objpfx
)check-installed-headers-cxx.out
: \
548 scripts
/check-installed-headers.sh
$(headers
)
549 $(SHELL
) $(..
)scripts
/check-installed-headers.sh c
++ \
550 "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
555 tests-special
+= $(objpfx
)check-wrapper-headers.out
556 $(objpfx
)check-wrapper-headers.out
: scripts
/check-wrapper-headers.py
$(headers
)
557 $(PYTHON
) $< --root
=.
--subdir
=.
$(headers
) \
558 --generated
$(common-generated
) > $@
; $(evaluate-test
)
561 define summarize-tests
562 @egrep
-v
'^(PASS|XFAIL):' $(objpfx
)$1 || true
563 @echo
"Summary of test results$2:"
564 @sed
's/:.*//' < $(objpfx
)$1 |
sort | uniq
-c
565 @
! egrep
-q
-v
'^(X?PASS|XFAIL|UNSUPPORTED):' $(objpfx
)$1
568 # The intention here is to do ONE install of our build into the
569 # testroot.pristine/ directory, then rsync (internal to
570 # support/test-container) that to testroot.root/ at the start of each
571 # test. That way we can promise each test a "clean" install, without
572 # having to do the install for each test.
574 # In addition, we have to copy some files (which we build) into this
575 # root in addition to what glibc installs. For example, many tests
576 # require additional programs including /bin/sh, /bin/true, and
577 # /bin/echo, all of which we build below to limit library dependencies
578 # to just those things in glibc and language support libraries which
579 # we also copy into the into the rootfs. To determine what language
580 # support libraries we need we build a "test" program in either C or
581 # (if available) C++ just so we can copy in any shared objects
582 # (which we do not build) that GCC-compiled programs depend on.
586 LINKS_DSO_PROGRAM
= links-dso-program-c
588 LINKS_DSO_PROGRAM
= links-dso-program
591 $(tests-container
) $(addsuffix /tests
,$(subdirs
)) : \
592 $(objpfx
)testroot.pristine
/install.stamp
593 $(objpfx
)testroot.pristine
/install.stamp
:
594 test -d
$(objpfx
)testroot.pristine || \
595 mkdir
$(objpfx
)testroot.pristine
596 # We need a working /bin/sh for some of the tests.
597 test -d
$(objpfx
)testroot.pristine
/bin || \
598 mkdir
$(objpfx
)testroot.pristine
/bin
599 # We need the compiled locale dir for localedef tests.
600 test -d
$(objpfx
)testroot.pristine
/$(complocaledir
) || \
601 mkdir
-p
$(objpfx
)testroot.pristine
/$(complocaledir
)
602 cp
$(objpfx
)support
/shell-container
$(objpfx
)testroot.pristine
/bin
/sh
603 cp
$(objpfx
)support
/echo-container
$(objpfx
)testroot.pristine
/bin
/echo
604 cp
$(objpfx
)support
/true-container
$(objpfx
)testroot.pristine
/bin
/true
605 ifeq ($(run-built-tests
),yes
)
606 # Copy these DSOs first so we can overwrite them with our own.
607 for dso in
`$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \
609 $(objpfx)testroot.pristine/bin/sh \
610 | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
612 test -d
`dirname $(objpfx)testroot.pristine$$dso` || \
613 mkdir
-p
`dirname $(objpfx)testroot.pristine$$dso` ;\
614 $(test-wrapper
) cp
$$dso $(objpfx
)testroot.pristine
$$dso ;\
616 for dso in
`$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \
618 $(objpfx)support/$(LINKS_DSO_PROGRAM) \
619 | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
621 test -d
`dirname $(objpfx)testroot.pristine$$dso` || \
622 mkdir
-p
`dirname $(objpfx)testroot.pristine$$dso` ;\
623 $(test-wrapper
) cp
$$dso $(objpfx
)testroot.pristine
$$dso ;\
626 # $(symbolic-link-list) is a file that encodes $(DESTDIR) so we
628 rm -f
$(symbolic-link-list
)
629 # Setting INSTALL_UNCOMPRESSED causes localedata/Makefile to
630 # install the charmaps uncompressed, as the testroot does not
631 # provide a gunzip program.
632 $(MAKE
) install DESTDIR
=$(objpfx
)testroot.pristine \
633 INSTALL_UNCOMPRESSED
=yes subdirs
='$(sorted-subdirs)'
634 rm -f
$(symbolic-link-list
)
635 touch
$(objpfx
)testroot.pristine
/install.stamp
637 tests-special-notdir
= $(patsubst $(objpfx
)%, %, $(tests-special
))
638 tests
: $(tests-special
)
639 $(..
)scripts
/merge-test-results.sh
-s
$(objpfx
) "" \
640 $(sort $(tests-special-notdir
:.out
=)) \
641 > $(objpfx
)subdir-tests.sum
642 $(..
)scripts
/merge-test-results.sh
-t
$(objpfx
) subdir-tests.sum \
643 $(sort $(subdirs
) .
) \
645 $(call summarize-tests
,tests.sum
)
647 $(..
)scripts
/merge-test-results.sh
-t
$(objpfx
) subdir-xtests.sum \
649 > $(objpfx
)xtests.sum
650 $(call summarize-tests
,xtests.sum
, for extra tests
)
652 # The realclean target is just like distclean for the parent, but we want
653 # the subdirs to know the difference in case they care.
654 realclean distclean: parent-clean
655 # This is done this way rather than having `subdir_distclean' be a
656 # dependency of this target so that libc.a will be removed before the
657 # subdirectories are dealt with and so they won't try to remove object
658 # files from it when it's going to be removed anyway.
659 @
$(MAKE
) distclean-1 no_deps
=t distclean-1
=$@ avoid-generated
=yes \
660 sysdep-subdirs
="$(sysdep-subdirs)"
663 # Subroutine of distclean and realclean.
664 distclean-1
: subdir_
$(distclean-1
)
665 -rm -f
$(config-generated
)
666 -rm -f
$(addprefix $(objpfx
),config.status config.cache config.log
)
667 -rm -f
$(addprefix $(objpfx
),config.make config-name.h config.h
)
669 -rm -f
$(objpfx
)Makefile
671 -rm -f
$(sysdep-
$(distclean-1
))
673 # Make the TAGS file for Emacs users.
677 scripts
/list-sources.sh | sed
-n
-e
'/Makefile/p' \
678 $(foreach S
,[chsSyl
] cxx sh bash pl
,\
679 $(subst .
,\.
,-e
'/.$S\(.in\)*$$/p')) \
682 # Make the distribution tarfile.
683 .PHONY
: dist dist-prepare
685 generated
:= $(generated
) stubs.h
687 files-for-dist
:= README INSTALL configure NEWS
689 # Regenerate stuff, then error if these things are not committed yet.
690 dist-prepare
: $(files-for-dist
)
691 conf
=`find sysdeps -name configure`; \
693 git diff
--stat HEAD
-- $^
$$conf \
694 |
$(AWK
) '{ print; rc=1 } END { exit rc }'
697 git archive
--prefix=$*/ $* > $@.new
700 # Do `make dist dist-version=X.Y.Z' to make tar files of an older version.
702 ifneq (,$(strip $(dist-version
)))
703 dist: $(foreach Z
,.bz2 .gz .xz
,$(dist-version
).
tar$Z)
707 @if v
=`git describe`; then \
708 echo Distribution version
$$v; \
709 $(MAKE
) dist dist-version
=$$v; \
715 INSTALL
: manual
/install-plain.texi manual
/macros.texi \
716 $(common-objpfx
)manual
/pkgvers.texi manual
/install.texi
717 makeinfo --no-validate
--plaintext
--no-number-sections \
718 -I
$(common-objpfx
)manual
$< -o
$@
-tmp
719 $(AWK
) 'NF == 0 { ++n; next } \
720 NF != 0 { while (n-- > 0) print ""; n = 0; print }' \
725 $(common-objpfx
)manual
/%: FORCE
726 $(MAKE
) $(PARALLELMFLAGS
) -C manual
$@
729 iconvdata
/% localedata
/% po
/%: FORCE
730 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
732 # Convenience target to rerun one test, from the top of the build tree
733 # Example: make test t=wcsmbs/test-wcsnlen
736 @
-rm -f
$(objpfx
)$t.out
737 $(MAKE
) subdir
=$(patsubst %/,%,$(dir $t)) -C
$(dir $t) ..
=..
/ $(objpfx
)$t.out
738 @cat
$(objpfx
)$t.test-result