###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2021  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program 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 General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER        = 2.38

THISAPP    = glibc-$(VER)
DL_FILE    = $(THISAPP).tar.xz
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)

# Normal build or $(TOOLS_DIR) build.
#
ifeq "$(ROOT)" ""
  TARGET = $(DIR_INFO)/$(THISAPP)
  EXTRA_CONFIG = \
	--build=$(BUILDTARGET) \
	--prefix=/usr \
	--libexecdir=/usr/lib/glibc \
	--enable-stack-protector=strong
else
  TARGET = $(DIR_INFO)/$(THISAPP)-tools
  EXTRA_CONFIG = \
	--host=$(CROSSTARGET) \
	--build=$(BUILDTARGET) \
	--prefix=$(TOOLS_DIR) \
	--with-headers=$(TOOLS_DIR)/include
endif

ifeq "$(BUILD_ARCH)" "aarch64"
	CFLAGS += -Wno-error=maybe-uninitialized
endif

# Add some general configuration flags
EXTRA_CONFIG += \
	--disable-profile \
	--enable-kernel=5.4.0 \
	--enable-add-ons \
	--without-selinux \
	--enable-experimental-malloc \
	--enable-bind-now \
	--enable-fortify-source \
	--disable-crypt \
	--disable-build-nscd \
	--disable-nscd

ifeq "$(BUILD_ARCH)" "x86_64"
	EXTRA_CONFIG += --enable-cet
endif

ifeq "$(BUILD_ARCH)" "aarch64"
	EXTRA_CONFIG += --enable-memory-tagging
endif

###############################################################################
# Top-level Rules
###############################################################################

objects = $(DL_FILE)

$(DL_FILE) = $(DL_FROM)/$(DL_FILE)

$(DL_FILE)_BLAKE2 = f9b039f0ef98a7dd8e1cba228ed10286b9e4fbe4dd89af4d26fa5c4e4cf266f19c2746b44d797ce54739d86499e74cf334aaf311bcf6e30120fd7748453e653f

install : $(TARGET)

check : $(patsubst %,$(DIR_CHK)/%,$(objects))

download :$(patsubst %,$(DIR_DL)/%,$(objects))

b2 : $(subst %,%_BLAKE2,$(objects))

###############################################################################
# Downloading, checking, b2sum
###############################################################################

$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	@$(CHECK)

$(patsubst %,$(DIR_DL)/%,$(objects)) :
	@$(LOAD)

$(subst %,%_BLAKE2,$(objects)) :
	@$(B2SUM)

###############################################################################
# Installation Details
###############################################################################

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	@$(PREBUILD)
	@rm -rf $(DIR_APP) $(DIR_SRC)/glibc-build && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
	@mkdir $(DIR_SRC)/glibc-build

	# Patches from upstream
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0001-stdlib-Improve-tst-realpath-compatibility-with-sourc.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0002-x86-Fix-for-cache-computation-on-AMD-legacy-cpus.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0003-nscd-Do-not-rebuild-getaddrinfo-bug-30709.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0004-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0005-x86_64-Fix-build-with-disable-multiarch-BZ-30721.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0006-i686-Fix-build-with-disable-multiarch.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0007-malloc-Enable-merging-of-remainders-in-memalign-bug-.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0008-malloc-Remove-bin-scanning-from-memalign-bug-30723.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0009-sysdeps-tst-bz21269-fix-test-parameter.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0010-sysdeps-tst-bz21269-handle-ENOSYS-skip-appropriately.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0011-sysdeps-tst-bz21269-fix-Wreturn-type.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0012-io-Fix-record-locking-contants-for-powerpc64-with-__.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0013-libio-Fix-oversized-__io_vtables.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0014-elf-Do-not-run-constructors-for-proxy-objects.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0015-elf-Always-call-destructors-in-reverse-constructor-o.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0016-elf-Remove-unused-l_text_end-field-from-struct-link_.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0017-elf-Move-l_init_called_next-to-old-place-of-l_text_e.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0018-NEWS-Add-the-2.38.1-bug-list.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0019-CVE-2023-4527-Stack-read-overflow-with-large-TCP-res.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0020-getaddrinfo-Fix-use-after-free-in-getcanonname-CVE-2.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0021-iconv-restore-verbosity-with-unrecognized-encoding-n.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0022-string-Fix-tester-build-with-fortify-enable-with-gcc.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0023-manual-jobs.texi-Add-missing-item-EPERM-for-getpgid.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0024-Fix-leak-in-getaddrinfo-introduced-by-the-fix-for-CV.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0025-Document-CVE-2023-4806-and-CVE-2023-5156-in-NEWS.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0026-Propagate-GLIBC_TUNABLES-in-setxid-binaries.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0027-tunables-Terminate-if-end-of-input-is-reached-CVE-20.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0028-Revert-elf-Remove-unused-l_text_end-field-from-struc.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0029-Revert-elf-Always-call-destructors-in-reverse-constr.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0030-Revert-elf-Move-l_init_called_next-to-old-place-of-l.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0031-sysdeps-sem_open-Clear-O_CREAT-when-semaphore-file-i.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0032-elf-Fix-wrong-break-removal-from-8ee878592c.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0033-LoongArch-Delete-excessively-allocated-memory.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0034-elf-Fix-TLS-modid-reuse-generation-assignment-BZ-290.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0035-elf-Add-TLS-modid-reuse-test-for-bug-29039.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0036-x86-64-Fix-the-dtv-field-load-for-x32-BZ-31184.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0037-x86-64-Fix-the-tcb-field-load-for-x32-BZ-31185.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0038-NEWS-Mention-bug-fixes-for-29039-30694-30709-30721.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0039-NEWS-Mention-bug-fixes-for-30745-30843.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0040-getaddrinfo-translate-ENOMEM-to-EAI_MEMORY-bug-31163.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0041-libio-Check-remaining-buffer-size-in-_IO_wdo_write-b.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0042-syslog-Fix-heap-buffer-overflow-in-__vsyslog_interna.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0043-syslog-Fix-heap-buffer-overflow-in-__vsyslog_interna.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-2.38/0044-syslog-Fix-integer-overflow-in-__vsyslog_internal-CV.patch

	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/glibc-localedef-no-archive.patch

ifneq "$(TOOLCHAIN)" "1"
 ifeq "$(BUILD_ARCH)" "x86_64"
	cd $(DIR_APP) && sed -i 's|libs -o|libs -L/usr/lib64 -Wl,-dynamic-linker=/lib64/ld-linux-x86-64.so.2 -o|' \
		scripts/test-installation.pl
 endif
endif

	cd $(DIR_SRC)/glibc-build && \
		CFLAGS="$(CFLAGS) -fno-asynchronous-unwind-tables" \
		$(DIR_APP)/configure $(EXTRA_CONFIG)

	cd $(DIR_SRC)/glibc-build && make PARALLELMFLAGS=$(MAKETUNING) \
		CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)"

	cd $(DIR_APP) && sed '/test-installation/s@\$$(PERL)@echo not running@' -i Makefile

	cd $(DIR_SRC)/glibc-build && make install

ifneq "$(TOOLCHAIN)" "1"
	# Creating the locales
	mkdir -p /usr/lib/locale
	cd $(DIR_SRC)/glibc-build && make localedata/install-locales $(MAKETUNING)

	# Timezone data will be shipped by tzdata.
	rm -rfv /usr/share/zoneinfo
endif

ifeq "$(TOOLCHAIN)" "1"
	# Test the linker in toolchain
	cd $(DIR_APP) && echo "int main() { return 0; }" > dummy.c
	cd $(DIR_APP) && $(CROSSTARGET)-gcc dummy.c -o dummy

	# Must be using a runtime linker from $(TOOLS_DIR)
	cd $(DIR_APP) && readelf -l dummy | grep "Requesting program interpreter: $(TOOLS_DIR)"
	cd $(DIR_APP) && rm -vf dummy dummy.c
endif

	@rm -rf $(DIR_APP) $(DIR_SRC)/glibc-build
	@$(POSTBUILD)