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# Copyright (C) 1992-2024 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/>.
# Makefile for the GNU C Library manual.
subdir := manual
include ../Makeconfig
.PHONY: dvi pdf info html
dvi: $(objpfx)libc.dvi
pdf: $(objpfx)libc.pdf
TEXI2DVI = texi2dvi
TEXI2PDF = texi2dvi --pdf
ifneq ($(strip $(MAKEINFO)),:)
info: $(objpfx)libc.info
endif
chapters = $(addsuffix .texi, \
intro errno memory ctype string charset locale \
message search pattern io stdio llio filesys \
pipe socket terminal syslog math arith stdbit time \
resource setjmp signal startup process ipc job \
nss users sysinfo conf crypt debug threads \
dynlink probes tunables)
appendices = lang.texi header.texi install.texi maint.texi platform.texi \
contrib.texi
licenses = freemanuals.texi lgpl-2.1.texi fdl-1.3.texi
-include $(objpfx)texis
$(objpfx)texis: texis.awk $(chapters) $(appendices) $(licenses)
$(make-target-directory)
$(AWK) -f $^ > $@.T
mv -f $@.T $@
nonexamples = $(filter-out %.c.texi, $(texis))
examples = $(filter %.c.texi, $(texis))
# Generated files directly included from libc.texinfo.
libc-texi-generated = chapters.texi top-menu.texi dir-add.texi \
libm-err.texi version.texi pkgvers.texi
# Add path to build dir for generated files
texis-path := $(filter-out $(libc-texi-generated) summary.texi $(examples), \
$(texis)) \
$(addprefix $(objpfx),$(filter $(libc-texi-generated) summary.texi \
$(examples), $(texis)))
# Kludge: implicit rule so Make knows the one command does it all.
chapters.% top-menu.%: libc-texinfo.sh $(texis-path) Makefile
AWK=$(AWK) $(SHELL) $< $(objpfx) \
'$(chapters)' \
'$(appendices) $(licenses)'
$(objpfx)libc.dvi $(objpfx)libc.pdf $(objpfx)libc.info: \
$(addprefix $(objpfx),$(libc-texi-generated))
$(objpfx)libc.dvi $(objpfx)libc.pdf: texinfo.tex
html: $(objpfx)libc/index.html
$(objpfx)libc/index.html: $(addprefix $(objpfx),$(libc-texi-generated))
$(MAKEINFO) -P $(objpfx) -o $(objpfx)libc --html libc.texinfo
# Generate the summary from the Texinfo source files for each chapter.
$(objpfx)summary.texi: $(objpfx)stamp-summary ;
$(objpfx)stamp-summary: summary.pl $(filter-out $(objpfx)summary.texi, \
$(texis-path))
$(SHELL) ./check-safety.sh $(filter-out $(objpfx)%, $(texis-path))
LC_ALL=C $(PERL) $^ > $(objpfx)summary-tmp
$(move-if-change) $(objpfx)summary-tmp $(objpfx)summary.texi
touch $@
# Generate a file which can be added to the `dir' content to provide direct
# access to the documentation of the function, variables, and other
# definitions.
$(objpfx)dir-add.texi: xtract-typefun.awk $(texis-path)
(echo "@dircategory GNU C library functions and macros"; \
echo "@direntry"; \
$(AWK) -f $^ | sort; \
echo "@end direntry") > $@.new
mv -f $@.new $@
# The table with the math errors is generated.
$(objpfx)libm-err.texi: $(objpfx)stamp-libm-err
$(objpfx)stamp-libm-err: $(..)math/gen-libm-test.py \
$(wildcard $(foreach dir,$(sysdirs),\
$(dir)/libm-test-ulps))
pwd=`pwd`; \
$(PYTHON) $< -s $$pwd/.. -m $(objpfx)libm-err-tmp
$(move-if-change) $(objpfx)libm-err-tmp $(objpfx)libm-err.texi
touch $@
# Package version and bug reporting URL.
$(objpfx)pkgvers.texi: $(objpfx)stamp-pkgvers ;
$(objpfx)stamp-pkgvers: $(common-objpfx)config.make
echo "@ifclear PKGVERS" > $(objpfx)pkgvers-tmp
echo "@set PKGVERS" >> $(objpfx)pkgvers-tmp
echo "@set PKGVERSION $(PKGVERSION_TEXI)" >> $(objpfx)pkgvers-tmp
if [ "$(PKGVERSION_TEXI)" = "(GNU libc) " ]; then \
echo "@set PKGVERSION_DEFAULT" >> $(objpfx)pkgvers-tmp; \
fi
echo "@set REPORT_BUGS_TO $(REPORT_BUGS_TEXI)" >> $(objpfx)pkgvers-tmp
echo "@end ifclear" >> $(objpfx)pkgvers-tmp
$(move-if-change) $(objpfx)pkgvers-tmp $(objpfx)pkgvers.texi
touch $@
# Generate a file with the version number.
$(objpfx)version.texi: $(objpfx)stamp-version ;
$(objpfx)stamp-version: $(common-objpfx)config.make
echo "@set VERSION $(version)" > $(objpfx)version-tmp
$(move-if-change) $(objpfx)version-tmp $(objpfx)version.texi
touch $@
# Generate Texinfo files from the C source for the example programs.
$(objpfx)%.c.texi: examples/%.c
sed -e '1,/^\*\/$$/d' \
-e 's,[{}],@&,g' \
-e 's,/\*\(@.*\)\*/,\1,g' \
-e 's,/\* *,/* @r{,g' -e 's, *\*/,} */,' \
-e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
$< | expand > $@.new
mv -f $@.new $@
$(objpfx)%.info: %.texinfo
LANGUAGE=C LC_ALL=C $(MAKEINFO) -P $(objpfx) --output=$@ $<
$(objpfx)%.dvi: %.texinfo
cd $(objpfx);$(TEXI2DVI) -I $(shell cd $(<D) && pwd) --output=$@ \
$(shell cd $(<D) && pwd)/$<
$(objpfx)%.pdf: %.texinfo
cd $(objpfx);$(TEXI2PDF) -I $(shell cd $(<D) && pwd) --output=$@ \
$(shell cd $(<D) && pwd)/$<
# Distribution.
minimal-dist = summary.pl texis.awk tsort.awk libc-texinfo.sh libc.texinfo \
libm-err.texi stamp-libm-err check-safety.sh \
$(filter-out summary.texi, $(nonexamples)) \
$(patsubst %.c.texi,examples/%.c, $(examples))
indices = cp fn pg tp vr ky
generated-dirs += libc
generated += libc.dvi libc.pdf libc.tmp libc.info* \
stubs \
texis summary.texi stamp-summary *.c.texi \
$(foreach index,$(indices),libc.$(index) libc.$(index)s) \
libc.log libc.aux libc.toc \
$(libc-texi-generated) \
stamp-libm-err stamp-version
include ../Rules
.PHONY: install subdir_install install-data
install-data subdir_install: install
# Generated files requiring python: libm-err.texi
# Generated files requiring perl: summary.texi
ifneq ($(PERL),no)
ifneq ($(strip $(MAKEINFO)),:)
install: $(inst_infodir)/libc.info
@if $(SHELL) -c '$(INSTALL_INFO) --version' >/dev/null 2>&1; then \
test -f $(inst_infodir)/dir || $(INSTALL_DATA) dir $(inst_infodir);\
$(INSTALL_INFO) --info-dir=$(inst_infodir) $(inst_infodir)/libc.info;\
else : ; fi
endif
endif
# Catchall implicit rule for other installation targets from the parent.
install-%: ;
$(inst_infodir)/libc.info: $(objpfx)libc.info
$(make-target-directory)
for file in $<*; do \
$(INSTALL_DATA) $$file $(@D)/; \
done
TAGS: $(minimal-dist)
$(ETAGS) -o $@ $^
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