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unit/auto/make
Andrew Clayton a171b39922 Add an EXTRA_CFLAGS make variable 
This variable is _appended_ to the main CFLAGS variable and allows
setting extra compiler options at make time. E.g

  $ make EXTRA_CFLAGS="..." ...

Useful for quickly testing various extra warning flags.

Suggested-by: Alejandro Colomar <alx@kernel.org>
Reviewed-by: Alejandro Colomar <alx@kernel.org>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
2024-03-09 01:40:24 +00:00

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# Copyright (C) Igor Sysoev
# Copyright (C) Valentin V. Bartenev
# Copyright (C) NGINX, Inc.
. auto/cc/deps
$echo "creating $NXT_MAKEFILE"
cat << END > $NXT_MAKEFILE
# Pretty print compiler etc actions...
PP_CC := @echo ' CC '
PP_AR := @echo ' AR '
PP_LD := @echo ' LD '
PP_VER := @echo ' VER '
PP_SED := @echo ' SED '
CC = $CC
AR = $AR
EXTRA_CFLAGS =
CFLAGS = $NXT_CFLAGS $NXT_CC_OPT $CFLAGS \$(EXTRA_CFLAGS)
NXT_EXEC_LINK = $NXT_EXEC_LINK $NXT_LD_OPT
NXT_SHARED_LOCAL_LINK = $NXT_SHARED_LOCAL_LINK $NXT_LD_OPT
NXT_MODULE_LINK = $NXT_MODULE_LINK
all: $NXT_DAEMON manpage
.PHONY: $NXT_DAEMON manpage
$NXT_DAEMON: $NXT_BUILD_DIR/sbin/$NXT_DAEMON
manpage: $NXT_BUILD_DIR/share/man/man8/unitd.8
END
NXT_OS=$(uname -s)
NXT_GNU_MAKE=$(make --version | grep GNU || true)
# Requires GNU make. On OpenIndiana at least we have to use gmake
if [ -n "$NXT_GNU_MAKE" ] || [ $NXT_OS = "SunOS" ]; then
cat << END >> $NXT_MAKEFILE
# By default compiler etc output is hidden, use
# make V=1 ...
# to show it.
V := 0
v := @
ifeq (\$V,1)
v :=
endif
# Optionally enable debugging builds with
# make D=1 ...
# -g is always used, this just changes the optimisation level.
# On GCC this would be -Og, however according to the clang(1)
# man page, -O0 'generates the most debuggable code'.
D := 0
ifeq (\$D,1)
CFLAGS += -O0
endif
# Optionally disable -Werror with
# make E=0 ...
E := 1
ifeq (\$E,0)
CFLAGS += -Wno-error
endif
END
fi
# The include paths list.
$echo -n "NXT_LIB_INCS =" >> $NXT_MAKEFILE
for nxt_inc in src $NXT_BUILD_DIR/include
do
$echo -n " -I $nxt_inc" >> $NXT_MAKEFILE
done
$echo >> $NXT_MAKEFILE
$echo >> $NXT_MAKEFILE
# Library object files list.
$echo "NXT_LIB_OBJS = \\" >> $NXT_MAKEFILE
for nxt_src in $NXT_LIB_SRCS
do
nxt_obj=${nxt_src%.c}.o
$echo " $NXT_BUILD_DIR/$nxt_obj \\" >> $NXT_MAKEFILE
done
$echo >> $NXT_MAKEFILE
$echo "NXT_LIB_UNIT_OBJS = \\" >> $NXT_MAKEFILE
$echo " $NXT_BUILD_DIR/src/nxt_lvlhsh.o \\" >> $NXT_MAKEFILE
$echo " $NXT_BUILD_DIR/src/nxt_murmur_hash.o \\" >> $NXT_MAKEFILE
$echo " $NXT_BUILD_DIR/src/nxt_socket_msg.o \\" >> $NXT_MAKEFILE
$echo " $NXT_BUILD_DIR/src/nxt_websocket.o \\" >> $NXT_MAKEFILE
for nxt_src in $NXT_LIB_UNIT_SRCS
do
nxt_obj=${nxt_src%.c}.o
$echo " $NXT_BUILD_DIR/$nxt_obj \\" >> $NXT_MAKEFILE
done
$echo >> $NXT_MAKEFILE
# The version file.
cat << END >> $NXT_MAKEFILE
include version
$NXT_VERSION_H: version
\$(PP_VER) \$@ \(NXT_VERSION\)
\$(v)$echo '#define NXT_VERSION "\$(NXT_VERSION)"' > $NXT_VERSION_H
\$(PP_VER) \$@ \(NXT_VERNUM\)
\$(v)$echo '#define NXT_VERNUM \$(NXT_VERNUM)' >> $NXT_VERSION_H
END
# Shared and static library.
cat << END >> $NXT_MAKEFILE
libnxt: $NXT_BUILD_DIR/lib/$NXT_LIB_SHARED $NXT_BUILD_DIR/lib/$NXT_LIB_STATIC
$NXT_BUILD_DIR/lib/$NXT_LIB_SHARED: \$(NXT_LIB_OBJS)
\$(PP_LD) \$@
\$(v)\$(NXT_SHARED_LOCAL_LINK) -o \$@ \$(NXT_LIB_OBJS) \\
$NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC: \$(NXT_LIB_OBJS)
\$(PP_AR) \$@
\$(v)$NXT_STATIC_LINK \$@ \$(NXT_LIB_OBJS)
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC: \$(NXT_LIB_UNIT_OBJS) \\
$NXT_BUILD_DIR/share/pkgconfig/unit.pc \\
$NXT_BUILD_DIR/share/pkgconfig/unit-uninstalled.pc
\$(PP_AR) \$@
\$(v)$NXT_STATIC_LINK \$@ \$(NXT_LIB_UNIT_OBJS)
END
# Object files.
for nxt_src in $NXT_LIB_SRCS $NXT_TEST_SRCS $NXT_LIB_UNIT_SRCS \
src/test/nxt_unit_app_test.c \
src/test/nxt_unit_websocket_chat.c \
src/test/nxt_unit_websocket_echo.c
do
nxt_obj=${nxt_src%.c}.o
nxt_dep=${nxt_src%.c}.dep
nxt_dep_flags=`nxt_gen_dep_flags`
nxt_dep_post=`nxt_gen_dep_post`
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/$nxt_obj: $nxt_src $NXT_VERSION_H
\$(PP_CC) \$@
\$(v)\$(CC) -c \$(CFLAGS) \$(NXT_LIB_INCS) $NXT_LIB_AUX_CFLAGS \\
-o $NXT_BUILD_DIR/$nxt_obj \\
$nxt_dep_flags \\
$nxt_src
$nxt_dep_post
-include $NXT_BUILD_DIR/$nxt_dep
END
done
nxt_src=src/test/nxt_cq_test.c
nxt_obj=src/test/nxt_ncq_test.o
nxt_dep=src/test/nxt_ncq_test.dep
nxt_dep_flags=`nxt_gen_dep_flags`
nxt_dep_post=`nxt_gen_dep_post`
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/$nxt_obj: $nxt_src $NXT_VERSION_H
\$(PP_CC) \$@
\$(v)\$(CC) -c \$(CFLAGS) -DNXT_NCQ_TEST=1 \$(NXT_LIB_INCS) $NXT_LIB_AUX_CFLAGS \\
-o $NXT_BUILD_DIR/$nxt_obj \\
$nxt_dep_flags \\
$nxt_src
$nxt_dep_post
-include $NXT_BUILD_DIR/$nxt_dep
END
nxt_src=src/test/nxt_cq_test.c
nxt_obj=src/test/nxt_vbcq_test.o
nxt_dep=src/test/nxt_vbcq_test.dep
nxt_dep_flags=`nxt_gen_dep_flags`
nxt_dep_post=`nxt_gen_dep_post`
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/$nxt_obj: $nxt_src $NXT_VERSION_H
\$(PP_CC) \$@
\$(v)\$(CC) -c \$(CFLAGS) -DNXT_NCQ_TEST=0 \$(NXT_LIB_INCS) $NXT_LIB_AUX_CFLAGS \\
-o $NXT_BUILD_DIR/$nxt_obj \\
$nxt_dep_flags \\
$nxt_src
$nxt_dep_post
-include $NXT_BUILD_DIR/$nxt_dep
END
$echo >> $NXT_MAKEFILE
if [ $NXT_TESTS = YES ]; then
# Test object files list.
$echo "NXT_TEST_OBJS = \\" >> $NXT_MAKEFILE
for nxt_src in $NXT_TEST_SRCS
do
nxt_obj=${nxt_src%.c}.o
$echo " $NXT_BUILD_DIR/$nxt_obj \\" >> $NXT_MAKEFILE
done
# Test executables.
cat << END >> $NXT_MAKEFILE
.PHONY: tests
tests: $NXT_BUILD_DIR/tests $NXT_BUILD_DIR/utf8_file_name_test \\
$NXT_BUILD_DIR/ncq_test \\
$NXT_BUILD_DIR/vbcq_test \\
$NXT_BUILD_DIR/unit_app_test $NXT_BUILD_DIR/unit_websocket_chat \\
$NXT_BUILD_DIR/unit_websocket_echo
$NXT_BUILD_DIR/tests: \$(NXT_TEST_OBJS) \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/tests \\
\$(CFLAGS) \$(NXT_TEST_OBJS) \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/utf8_file_name_test: $NXT_LIB_UTF8_FILE_NAME_TEST_SRCS \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC
\$(PP_LD) \$@
\$(v)\$(CC) \$(CFLAGS) \$(NXT_LIB_INCS) $NXT_LIB_AUX_CFLAGS \\
-o $NXT_BUILD_DIR/utf8_file_name_test \\
$NXT_LIB_UTF8_FILE_NAME_TEST_SRCS \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/ncq_test: $NXT_BUILD_DIR/src/test/nxt_ncq_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/ncq_test \\
\$(CFLAGS) $NXT_BUILD_DIR/src/test/nxt_ncq_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/vbcq_test: $NXT_BUILD_DIR/src/test/nxt_vbcq_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/vbcq_test \\
\$(CFLAGS) $NXT_BUILD_DIR/src/test/nxt_vbcq_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/unit_app_test: $NXT_BUILD_DIR/src/test/nxt_unit_app_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/unit_app_test \\
\$(CFLAGS) $NXT_BUILD_DIR/src/test/nxt_unit_app_test.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/unit_websocket_chat: \\
$NXT_BUILD_DIR/src/test/nxt_unit_websocket_chat.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/unit_websocket_chat \\
\$(CFLAGS) $NXT_BUILD_DIR/src/test/nxt_unit_websocket_chat.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
$NXT_BUILD_DIR/unit_websocket_echo: \\
$NXT_BUILD_DIR/src/test/nxt_unit_websocket_echo.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o $NXT_BUILD_DIR/unit_websocket_echo \\
\$(CFLAGS) $NXT_BUILD_DIR/src/test/nxt_unit_websocket_echo.o \\
$NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC \\
$NXT_LD_OPT $NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
END
else
cat << END >> $NXT_MAKEFILE
.PHONY: tests
tests:
@(echo; \\
echo "error: to make tests you need to configure --tests option."; \\
echo; \\
exit 1)
END
fi
NXT_MAKE_INCS="src $NXT_BUILD_DIR/include"
NXT_MAKE_SRCS="$NXT_SRCS"
# The include paths list.
$echo -n "NXT_INCS =" >> $NXT_MAKEFILE
for nxt_inc in $NXT_MAKE_INCS
do
$echo -n " -I $nxt_inc" >> $NXT_MAKEFILE
done
$echo >> $NXT_MAKEFILE
$echo >> $NXT_MAKEFILE
# Object files list.
$echo "NXT_OBJS = \\" >> $NXT_MAKEFILE
for nxt_src in $NXT_MAKE_SRCS
do
nxt_obj=${nxt_src%.c}.o
$echo " $NXT_BUILD_DIR/$nxt_obj \\" >> $NXT_MAKEFILE
done
$echo >> $NXT_MAKEFILE
# unit executable.
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/sbin/$NXT_DAEMON: $NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
\$(NXT_OBJS)
\$(PP_LD) \$@
\$(v)\$(NXT_EXEC_LINK) -o \$@ \$(CFLAGS) \\
\$(NXT_OBJS) $NXT_BUILD_DIR/lib/$NXT_LIB_STATIC \\
$NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS
END
# unitd man page
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/share/man/man8/unitd.8: docs/man/man8/unitd.8.in \\
$NXT_BUILD_DIR/include/nxt_auto_config.h
\$(PP_SED) \$@
\$(v)sed -e "s|%%ERROR_LOG_PATH%%|$NXT_LOG|" \\
-e "s|%%PID_PATH%%|$NXT_PID|" \\
-e "s|%%SOCKET_PATH%%|$NXT_CONTROL|" \\
< docs/man/man8/unitd.8.in > \$@
END
# unit object files.
for nxt_src in $NXT_MAKE_SRCS
do
nxt_obj=${nxt_src%.c}.o
nxt_dep=${nxt_src%.c}.dep
nxt_dep_flags=`nxt_gen_dep_flags`
nxt_dep_post=`nxt_gen_dep_post`
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/$nxt_obj: $nxt_src $NXT_VERSION_H
\$(PP_CC) \$@
\$(v)\$(CC) -c \$(CFLAGS) \$(NXT_INCS) \\
$NXT_LIB_AUX_CFLAGS \\
-o $NXT_BUILD_DIR/$nxt_obj \\
$nxt_dep_flags \\
$nxt_src
$nxt_dep_post
-include $NXT_BUILD_DIR/$nxt_dep
END
done
# install
cat << END >> $NXT_MAKEFILE
.PHONY: install ${NXT_DAEMON}-install install-check manpage-install
install: ${NXT_DAEMON}-install manpage-install
install-check:
@test -n "\$(DESTDIR)$NXT_PREFIX" \\
|| (echo; \\
echo "error: to make install you need either"; \\
echo " to configure --prefix option"; \\
echo " or to set DESTDIR environment variable."; \\
echo; \\
exit 1)
${NXT_DAEMON}-install: $NXT_DAEMON install-check
test -d \$(DESTDIR)$NXT_SBINDIR \
|| install -d \$(DESTDIR)$NXT_SBINDIR
install -p $NXT_BUILD_DIR/sbin/$NXT_DAEMON \$(DESTDIR)$NXT_SBINDIR/
test -d \$(DESTDIR)$NXT_STATEDIR \
|| install -d \$(DESTDIR)$NXT_STATEDIR
test -d \$(DESTDIR)$NXT_LOGDIR \
|| install -d \$(DESTDIR)$NXT_LOGDIR
test -d \$(DESTDIR)$NXT_RUNSTATEDIR \
|| install -d \$(DESTDIR)$NXT_RUNSTATEDIR
manpage-install: manpage install-check
test -d \$(DESTDIR)$NXT_MANDIR/man8 \
|| install -d \$(DESTDIR)$NXT_MANDIR/man8
install -p -m644 $NXT_BUILD_DIR/share/man/man8/unitd.8 \
\$(DESTDIR)$NXT_MANDIR/man8/
.PHONY: uninstall ${NXT_DAEMON}-uninstall manpage-uninstall
uninstall: ${NXT_DAEMON}-uninstall manpage-uninstall
${NXT_DAEMON}-uninstall:
rm -f \$(DESTDIR)$NXT_SBINDIR/$NXT_DAEMON
@rmdir -p \$(DESTDIR)$NXT_SBINDIR 2>/dev/null || true
manpage-uninstall:
rm -f \$(DESTDIR)$NXT_MANDIR/man8/unitd.8
@rmdir -p \$(DESTDIR)$NXT_MANDIR/man8 2>/dev/null || true
END
cat << END >> $NXT_MAKEFILE
.PHONY: libunit-install libunit-uninstall
libunit-install: $NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC
test -d \$(DESTDIR)$NXT_LIBDIR \
|| install -d \$(DESTDIR)$NXT_LIBDIR
install -p -m u=rw,go=r $NXT_BUILD_DIR/lib/$NXT_LIB_UNIT_STATIC \
\$(DESTDIR)$NXT_LIBDIR/
test -d \$(DESTDIR)$NXT_PKGCONFIGDIR \
|| install -d \$(DESTDIR)$NXT_PKGCONFIGDIR
install -p -m u=rw,go=r $NXT_BUILD_DIR/share/pkgconfig/unit.pc \
\$(DESTDIR)$NXT_PKGCONFIGDIR/
test -d \$(DESTDIR)$NXT_INCLUDEDIR \
|| install -d \$(DESTDIR)$NXT_INCLUDEDIR
install -p -m u=rw,go=r src/nxt_unit.h \
src/nxt_unit_field.h \
src/nxt_unit_request.h \
src/nxt_unit_response.h \
src/nxt_unit_sptr.h \
src/nxt_unit_typedefs.h \
src/nxt_unit_websocket.h \
$NXT_BUILD_DIR/include/nxt_auto_config.h \
$NXT_BUILD_DIR/include/nxt_version.h \
src/nxt_websocket_header.h \
\$(DESTDIR)$NXT_INCLUDEDIR/
libunit-uninstall:
rm -f \$(DESTDIR)$NXT_LIBDIR/$NXT_LIB_UNIT_STATIC
@rmdir -p \$(DESTDIR)$NXT_LIBDIR 2>/dev/null || true
rm -f \$(DESTDIR)$NXT_PKGCONFIGDIR/unit.pc
@rmdir -p \$(DESTDIR)$NXT_PKGCONFIGDIR 2>/dev/null || true
rm -f \$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_field.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_request.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_response.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_sptr.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_typedefs.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_unit_websocket.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_auto_config.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_version.h \
\$(DESTDIR)$NXT_INCLUDEDIR/nxt_websocket_header.h
@rmdir -p \$(DESTDIR)$NXT_INCLUDEDIR 2>/dev/null || true
END
# pkg-config files
cat << END >> $NXT_MAKEFILE
$NXT_BUILD_DIR/share/pkgconfig/unit.pc: src/unit.pc.in
\$(PP_SED) \$@
\$(v)sed -e "s|@PREFIX@|$NXT_PREFIX|" \\
-e "s|@LIBDIR@|$NXT_LIBDIR|" \\
-e "s|@CFLAGS@|-I$NXT_INCLUDEDIR|" \\
-e "s|@VERSION@|\$(NXT_VERSION)|" \\
-e "s|@EXTRA_LIBS@|$NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS|" \\
-e "s|@CONFARGS@|$(echo $NXT_CONFIGURE_OPTIONS | sed -e 's| -pie||' -e 's| --njs||')|" \\
-e "s|@MODULESDIR@|$NXT_MODULESDIR|" \\
< src/unit.pc.in > \$@
$NXT_BUILD_DIR/share/pkgconfig/unit-uninstalled.pc: src/unit.pc.in
\$(PP_SED) \$@
\$(v)sed -e "s|@PREFIX@|$(pwd)/$NXT_BUILD_DIR|" \\
-e "s|@LIBDIR@|$(pwd)/$NXT_BUILD_DIR/lib|" \\
-e "s|@CFLAGS@|-I$(pwd)/src -I$(pwd)$NXT_BUILD_DIR/include|" \\
-e "s|@VERSION@|\$(NXT_VERSION)|" \\
-e "s|@EXTRA_LIBS@|$NXT_LIBM $NXT_LIBS $NXT_LIB_AUX_LIBS|" \\
-e "s|@CONFARGS@|$(echo $NXT_CONFIGURE_OPTIONS | sed -e 's| -pie||' -e 's| --njs||')|" \\
< src/unit.pc.in > \$@
END
# Makefile.
# *.dSYM is MacOSX Clang debug information.
cat << END > Makefile
include $NXT_MAKEFILE
.PHONY: clean
clean:
rm -rf $NXT_BUILD_DIR *.dSYM Makefile
.PHONY: help
help:
@echo "Variables to control make/build behaviour:"
@echo
@echo " make V=1 ... - Enables verbose output"
@echo " make D=1 ... - Enables debug builds (-O0)"
@echo " make E=0 ... - Disables -Werror"
@echo
@echo " make EXTRA_CFLAGS= ... - Add extra compiler options"
@echo
@echo " Variables can be combined."
END
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