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127cefd84d
glibc/stdio-common/Makefile
Adhemerval Zanella 127cefd84d Do not use -Wp to disable fortify (BZ 31928) 
The -Wp does not work properly if the compiler is configured to enable
fortify by default, since it bypasses the compiler driver (which defines
the fortify flags in this case).

This patch is similar to the one used on Ubuntu [1].

I checked with a build for x86_64-linux-gnu, i686-linux-gnu,
aarch64-linux-gnu, s390x-linux-gnu, and riscv64-linux-gnu with
gcc-13 that enables the fortify by default.

Co-authored-by: Matthias Klose <matthias.klose@canonical.com>

[1] https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/glibc/tree/debian/patches/ubuntu/fix-fortify-source.patch
Reviewed-by: DJ Delorie <dj@redhat.com>
2024-10-01 08:44:40 -03:00

626 lines
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Makefile
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# Copyright (C) 1991-2024 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
#
# Specific makefile for stdio-common.
#
subdir := stdio-common
include ../Makeconfig
headers := \
bits/printf-ldbl.h \
bits/stdio_lim.h \
printf.h \
stdio_ext.h \
# headers
routines := \
_itoa \
_itowa \
asprintf \
ctermid \
cuserid \
dprintf \
flockfile \
fprintf \
fscanf \
ftrylockfile \
funlockfile \
gentempfd \
getline \
getw \
grouping_iterator \
iovfscanf \
isoc23_fscanf \
isoc23_scanf \
isoc23_sscanf \
isoc23_vfscanf \
isoc23_vscanf \
isoc23_vsscanf \
isoc99_fscanf \
isoc99_scanf \
isoc99_sscanf \
isoc99_vfscanf \
isoc99_vscanf \
isoc99_vsscanf \
itoa-digits \
itoa-udigits \
itowa-digits \
perror \
printf \
printf-prs \
printf_buffer_as_file \
printf_buffer_done \
printf_buffer_flush \
printf_buffer_pad_1 \
printf_buffer_putc_1 \
printf_buffer_puts_1 \
printf_buffer_to_file \
printf_buffer_write \
printf_fp \
printf_fphex \
printf_function_invoke \
printf_size \
psiginfo \
psignal \
putw \
reg-modifier \
reg-printf \
reg-type \
remove \
rename \
renameat \
renameat2 \
scanf \
snprintf \
sprintf \
sscanf \
tempnam \
tempname \
tmpdir \
tmpfile \
tmpfile64 \
tmpnam \
tmpnam_r \
translated_number_width \
vfprintf \
vfprintf-internal \
vfscanf \
vfscanf-internal \
vfwprintf \
vfwprintf-internal \
vfwscanf \
vfwscanf-internal \
vprintf \
wprintf_buffer_as_file \
wprintf_buffer_done \
wprintf_buffer_flush \
wprintf_buffer_pad_1 \
wprintf_buffer_putc_1 \
wprintf_buffer_puts_1 \
wprintf_buffer_to_file \
wprintf_buffer_write \
wprintf_function_invoke \
# routines
# Exclude fortified routines from being built with _FORTIFY_SOURCE
routines_no_fortify += \
asprintf \
dprintf \
fprintf \
printf \
snprintf \
sprintf \
vfprintf \
vfwprintf \
vprintf \
# routines_no_fortify
aux := \
errlist \
errlist-data \
errname \
fxprintf \
printf-parsemb \
printf-parsewc \
siglist \
# aux
tests := \
bug-vfprintf-nargs \
bug1 \
bug3 \
bug4 \
bug5 \
bug6 \
bug7 \
bug8 \
bug9 \
bug10 \
bug11 \
bug12 \
bug13 \
bug14 \
bug16 \
bug17 \
bug18 \
bug18a \
bug19 \
bug19a \
bug2 \
bug20 \
bug21 \
bug22 \
bug23 \
bug24 \
bug25 \
bug26 \
bug27 \
bug28 \
bug29 \
errnobug \
scanf1 \
scanf2 \
scanf3 \
scanf4 \
scanf5 \
scanf7 \
scanf8 \
scanf9 \
scanf10 \
scanf11 \
scanf12 \
scanf13 \
scanf14 \
scanf15 \
scanf16 \
scanf17 \
scanf18 \
scanf19 \
temptest \
test-fseek \
test-fwrite \
test-popen \
test-strerr \
test-vfprintf \
test_rdwr \
tfformat \
tiformat \
tllformat \
tst-bz11319 \
tst-bz11319-fortify2 \
tst-cookie \
tst-dprintf-length \
tst-fdopen \
tst-fdopen2 \
tst-ferror \
tst-fgets \
tst-fgets2 \
tst-fileno \
tst-fmemopen \
tst-fmemopen2 \
tst-fmemopen3 \
tst-fmemopen4 \
tst-fphex \
tst-fphex-wide \
tst-fread \
tst-freopen2 \
tst-freopen3 \
tst-freopen4 \
tst-freopen5 \
tst-freopen6 \
tst-freopen64-2 \
tst-freopen64-3 \
tst-freopen64-4 \
tst-freopen64-6 \
tst-fseek \
tst-fwrite \
tst-fwrite-memstrm \
tst-fwrite-overflow \
tst-fwrite-ro \
tst-getline \
tst-getline-enomem \
tst-gets \
tst-grouping \
tst-grouping2 \
tst-grouping3 \
tst-long-dbl-fphex \
tst-memstream-string \
tst-obprintf \
tst-perror \
tst-popen \
tst-popen2 \
tst-printf-binary \
tst-printf-intn \
tst-printf-oct \
tst-printf-round \
tst-printfsz \
tst-put-error \
tst-renameat2 \
tst-rndseek \
tst-scanf-binary-c11 \
tst-scanf-binary-c23 \
tst-scanf-binary-gnu11 \
tst-scanf-binary-gnu89 \
tst-scanf-bz27650 \
tst-scanf-intn \
tst-scanf-round \
tst-scanf-to_inpunct \
tst-setvbuf1 \
tst-sprintf \
tst-sprintf-errno \
tst-sprintf2 \
tst-sprintf3 \
tst-sscanf \
tst-swprintf \
tst-swscanf \
tst-tmpnam \
tst-ungetc \
tst-ungetc-leak \
tst-unlockedio \
tst-vfprintf-mbs-prec \
tst-vfprintf-user-type \
tst-vfprintf-width-i18n \
tst-vfprintf-width-prec-alloc \
tst-wc-printf \
tstdiomisc \
tstgetln \
tstscanf \
xbug \
# tests
ifeq ($(run-built-tests),yes)
ifeq (yes,$(build-shared))
ifneq ($(PERL),no)
tests += \
tst-printf-bz18872 \
tst-printf-bz25691 \
tst-printf-fp-free \
tst-printf-fp-leak \
tst-vfprintf-width-prec \
# tests
endif
endif
endif
tests-container += \
tst-popen3
# tests-container
generated += \
errlist-data-aux-shared.S \
errlist-data-aux.S \
siglist-aux-shared.S \
siglist-aux.S \
# generated
tests-internal = \
tst-grouping_iterator \
# tests-internal
test-srcs = \
tst-printf \
tst-printfsz-islongdouble \
tst-unbputc \
# test-srcs
ifeq ($(run-built-tests),yes)
tests-special += \
$(objpfx)tst-printf.out \
$(objpfx)tst-printfsz-islongdouble.out \
$(objpfx)tst-setvbuf1-cmp.out \
$(objpfx)tst-unbputc.out \
# tests-special
ifeq (yes,$(build-shared))
ifneq ($(PERL),no)
tests-special += \
$(objpfx)tst-freopen2-mem.out \
$(objpfx)tst-freopen3-mem.out \
$(objpfx)tst-freopen4-mem.out \
$(objpfx)tst-freopen5-mem.out \
$(objpfx)tst-freopen6-mem.out \
$(objpfx)tst-freopen64-2-mem.out \
$(objpfx)tst-freopen64-3-mem.out \
$(objpfx)tst-freopen64-4-mem.out \
$(objpfx)tst-freopen64-6-mem.out \
$(objpfx)tst-getline-enomem-mem.out \
$(objpfx)tst-getline-mem.out \
$(objpfx)tst-printf-bz18872-mem.out \
$(objpfx)tst-printf-bz25691-mem.out \
$(objpfx)tst-printf-fp-free-mem.out \
$(objpfx)tst-printf-fp-leak-mem.out \
$(objpfx)tst-ungetc-leak-mem.out \
$(objpfx)tst-vfprintf-width-prec-mem.out \
# tests-special
generated += \
tst-freopen2-mem.out \
tst-freopen2.mtrace \
tst-freopen3-mem.out \
tst-freopen3.mtrace \
tst-freopen4-mem.out \
tst-freopen4.mtrace \
tst-freopen5-mem.out \
tst-freopen5.mtrace \
tst-freopen6-mem.out \
tst-freopen6.mtrace \
tst-freopen64-2-mem.out \
tst-freopen64-2.mtrace \
tst-freopen64-3-mem.out \
tst-freopen64-3.mtrace \
tst-freopen64-4-mem.out \
tst-freopen64-4.mtrace \
tst-freopen64-6-mem.out \
tst-freopen64-6.mtrace \
tst-getline-enomem-mem.out \
tst-getline-enomem.mtrace \
tst-getline-mem.out \
tst-getline.mtrace \
tst-printf-bz18872-mem.out \
tst-printf-bz18872.c \
tst-printf-bz18872.mtrace \
tst-printf-bz25691-mem.out \
tst-printf-bz25691.mtrace \
tst-printf-fp-free-mem.out \
tst-printf-fp-free.mtrace \
tst-printf-fp-leak-mem.out \
tst-printf-fp-leak.mtrace \
tst-scanf-bz27650.mtrace \
tst-ungetc-leak-mem.out \
tst-ungetc-leak.mtrace \
tst-vfprintf-width-prec-mem.out \
tst-vfprintf-width-prec.mtrace \
# generated
endif
endif
endif # $(run-built-tests)
tests-special += $(objpfx)tst-errno-manual.out
include ../Rules
# The errlist.c is built in two phases because compiler might reorder the
# compat_symbol directive prior the object itself and on binutils older
# than 2.29 it might generate object sizes different than the expected ones.
$(objpfx)errlist-data-aux-shared.S: errlist-data-gen.c
$(make-target-directory)
$(compile-command.c) $(pic-cppflags) $(pic-ccflag) $(no-stack-protector) -S
$(objpfx)errlist-data-aux.S: errlist-data-gen.c
$(make-target-directory)
$(compile-command.c) $(pie-default) $(no-stack-protector) -S
ifndef no_deps
-include $(objpfx)errlist-data-aux.S.d $(objpfx)errlist-data-aux-shared.S.d
endif
$(objpfx)errlist-data.os: $(objpfx)errlist-data-aux-shared.S
$(addprefix $(objpfx)errlist-data, $(object-suffixes-noshared)): \
$(objpfx)errlist-data-aux.S
$(objpfx)siglist-aux-shared.S: siglist-gen.c
$(make-target-directory)
$(compile-command.c) $(pic-cppflags) $(pic-ccflag) $(no-stack-protector) -S
$(objpfx)siglist-aux.S: siglist-gen.c
$(make-target-directory)
$(compile-command.c) $(pie-default) $(no-stack-protector) -S
ifndef no_deps
-include $(objpfx)siglist-aux.S.d $(objpfx)siglist-aux-shared.S.d
endif
$(objpfx)siglist.os: $(objpfx)siglist-aux-shared.S
$(addprefix $(objpfx)siglist, $(object-suffixes-noshared)): \
$(objpfx)siglist-aux.S
ifeq ($(run-built-tests),yes)
LOCALES := \
bn_BD.UTF-8 \
de_DE.ISO-8859-1 \
de_DE.UTF-8 \
en_US.ISO-8859-1 \
fa_IR.UTF-8 \
hi_IN.UTF-8 \
ja_JP.EUC-JP \
ps_AF.UTF-8 \
rw_RW.UTF-8 \
tg_TJ.UTF-8 \
unm_US.UTF-8 \
# LOCALES
include ../gen-locales.mk
$(objpfx)bug14.out: $(gen-locales)
$(objpfx)scanf13.out: $(gen-locales)
$(objpfx)test-vfprintf.out: $(gen-locales)
$(objpfx)tst-grouping.out: $(gen-locales)
$(objpfx)tst-grouping2.out: $(gen-locales)
$(objpfx)tst-grouping_iterator.out: $(gen-locales)
$(objpfx)tst-sprintf.out: $(gen-locales)
$(objpfx)tst-sscanf.out: $(gen-locales)
$(objpfx)tst-swprintf.out: $(gen-locales)
$(objpfx)tst-vfprintf-mbs-prec.out: $(gen-locales)
$(objpfx)tst-vfprintf-width-i18n.out: $(gen-locales)
$(objpfx)tst-grouping3.out: $(gen-locales)
$(objpfx)tst-scanf-to_inpunct.out: $(gen-locales)
endif
tst-printf-bz18872-ENV = MALLOC_TRACE=$(objpfx)tst-printf-bz18872.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-vfprintf-width-prec-ENV = \
MALLOC_TRACE=$(objpfx)tst-vfprintf-width-prec.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-printf-bz25691-ENV = \
MALLOC_TRACE=$(objpfx)tst-printf-bz25691.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-printf-fp-free-ENV = \
MALLOC_TRACE=$(objpfx)tst-printf-fp-free.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-printf-fp-leak-ENV = \
MALLOC_TRACE=$(objpfx)tst-printf-fp-leak.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-scanf-bz27650-ENV = \
MALLOC_TRACE=$(objpfx)tst-scanf-bz27650.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-ungetc-leak-ENV = \
MALLOC_TRACE=$(objpfx)tst-ungetc-leak.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-getline-ENV = \
MALLOC_TRACE=$(objpfx)tst-getline.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-getline-enomem-ENV = \
MALLOC_TRACE=$(objpfx)tst-getline-enomem.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen2-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen2.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen64-2-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen64-2.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen3-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen3.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen64-3-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen64-3.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen4-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen4.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen64-4-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen64-4.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen5-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen5.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen6-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen6.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
tst-freopen64-6-ENV = \
MALLOC_TRACE=$(objpfx)tst-freopen64-6.mtrace \
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
$(objpfx)tst-unbputc.out: tst-unbputc.sh $(objpfx)tst-unbputc
$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
$(evaluate-test)
$(objpfx)tst-printf.out: tst-printf.sh $(objpfx)tst-printf
$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
$(evaluate-test)
$(objpfx)tst-printfsz-islongdouble.out: \
tst-printfsz-islongdouble.sh $(objpfx)tst-printfsz-islongdouble
$(SHELL) $^ '$(test-program-prefix)' $@; \
$(evaluate-test)
# We generate this source because it requires a printf invocation with
# 10K arguments.
$(objpfx)tst-printf-bz18872.c: tst-printf-bz18872.sh
rm -f $@ && $(BASH) $^ > $@.new && mv $@.new $@
$(objpfx)tst-%-mem.out: $(objpfx)tst-%.out
$(common-objpfx)malloc/mtrace $(objpfx)tst-$*.mtrace > $@; \
$(evaluate-test)
errlist-h = $(firstword $(wildcard $(addsuffix /errlist.h,$(sysdirs) .)))
$(objpfx)tst-errno-manual.out: tst-errno-manual.py \
$(errlist-h) \
$(..)manual/errno.texi
$(PYTHON) tst-errno-manual.py -m $(..)manual/errno.texi \
-e $(errlist-h) > $@; \
$(evaluate-test)
CFLAGS-vfprintf.c += -Wno-uninitialized
CFLAGS-vfwprintf.c += -Wno-uninitialized
CFLAGS-tmpfile.c += -fexceptions
CFLAGS-tmpfile64.c += -fexceptions
CFLAGS-tempname.c += -fexceptions
CFLAGS-psignal.c += -fexceptions
CFLAGS-vprintf.c += -fexceptions
CFLAGS-cuserid.c += -fexceptions
CFLAGS-vfprintf.c += -fexceptions
CFLAGS-fprintf.c += -fexceptions
CFLAGS-printf.c += -fexceptions
CFLAGS-vfwprintf.c += -fexceptions
CFLAGS-vfscanf.c += -fexceptions
CFLAGS-vfwscanf.c += -fexceptions
CFLAGS-fscanf.c += -fexceptions
CFLAGS-scanf.c += -fexceptions
CFLAGS-isoc99_vfscanf.c += -fexceptions
CFLAGS-isoc99_vscanf.c += -fexceptions
CFLAGS-isoc99_fscanf.c += -fexceptions
CFLAGS-isoc99_scanf.c += -fexceptions
CFLAGS-isoc23_vfscanf.c += -fexceptions
CFLAGS-isoc23_vscanf.c += -fexceptions
CFLAGS-isoc23_fscanf.c += -fexceptions
CFLAGS-isoc23_scanf.c += -fexceptions
CFLAGS-dprintf.c += $(config-cflags-wno-ignored-attributes)
# Called during static library initialization, so turn stack-protection
# off for non-shared builds.
CFLAGS-_itoa.o = $(no-stack-protector)
CFLAGS-_itoa.op = $(no-stack-protector)
# scanf18.c and scanf19.c test a deprecated extension which is no
# longer visible under most conformance levels; see the source files
# for more detail.
CFLAGS-scanf18.c += -std=gnu89
CFLAGS-scanf19.c += -std=gnu89
CFLAGS-bug3.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-bug4.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-bug5.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-test-fseek.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-test-popen.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-test_rdwr.c += -DOBJPFX=\"$(objpfx)\"
# tst-gets.c tests a deprecated function.
CFLAGS-tst-gets.c += -Wno-deprecated-declarations
# BZ #11319 was first fixed for regular vdprintf, then reopened because
# the fortified version had the same bug.
CFLAGS-tst-bz11319-fortify2.c += $(no-fortify-source) -D_FORTIFY_SOURCE=2
CFLAGS-tst-memstream-string.c += -fno-builtin-fprintf
# Some versions of GCC supported for building glibc do not support -std=c23
# (added in GCC 14), or the older name -std=c2x (added in GCC 9), so
# the test for that version uses -std=c11 and then _ISOC23_SOURCE is defined in
# the test as needed.
CFLAGS-tst-scanf-binary-c11.c += -std=c11 -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-scanf-binary-c23.c += -std=c11 -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-scanf-binary-gnu11.c += -std=gnu11 -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-scanf-binary-gnu89.c += -std=gnu89 -DOBJPFX=\"$(objpfx)\"
CPPFLAGS += $(libio-mtsafe)
$(objpfx)tst-setvbuf1.out: /dev/null $(objpfx)tst-setvbuf1
$(test-program-cmd) > $@ 2>&1; \
$(evaluate-test)
$(objpfx)tst-setvbuf1-cmp.out: tst-setvbuf1.expect $(objpfx)tst-setvbuf1.out
cmp $^ > $@; \
$(evaluate-test)
$(objpfx)tst-printf-round: $(libm)
$(objpfx)tst-scanf-round: $(libm)
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