xref: /freebsd/tools/build/mk/Makefile.boot (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1# $FreeBSD$
2
3CFLAGS+=	-I${WORLDTMP}/legacy/usr/include
4DPADD+=		${WORLDTMP}/legacy/usr/lib/libegacy.a
5LDADD+=		-legacy
6LDFLAGS+=	-L${WORLDTMP}/legacy/usr/lib
7
8.if ${.MAKE.OS} != "FreeBSD"
9# On MacOS using a non-mac ar will fail the build, similarly on Linux using
10# nm may not work as expected if the nm for the target architecture comes in
11# $PATH before a nm that supports the host architecture.
12# To ensure that host binary compile as expected we use the tools from /usr/bin.
13AR:=	/usr/bin/ar
14RANLIB:=	/usr/bin/ranlib
15NM:=	/usr/bin/nm
16
17# Don't use lorder and tsort since lorder is not installed by default on most
18# Linux systems and the FreeBSD lorder does not work on Linux. For the bootstrap
19# tools the order of the .o files should not matter since we only care about
20# a few individual files (and might soon require linking with lld anyway)
21LORDER:=echo
22TSORT:=cat
23# When using cat as tsort we can't pass -q:
24TSORTFLAGS:=
25
26# Avoid stale dependecy warnings:
27LIBC:=
28LIBZ:=
29LIBM:=
30LIBUTIL:=
31LIBCPLUSPLUS:=
32LIBARCHIVE:=
33LIBPTHREAD:=
34LIBMD:=${WORLDTMP}/legacy/usr/lib/libmd.a
35LIBNV:=${WORLDTMP}/legacy/usr/lib/libmd.a
36LIBSBUF:=${WORLDTMP}/legacy/usr/lib/libsbuf.a
37LIBY:=${WORLDTMP}/legacy/usr/lib/liby.a
38LIBL:=${WORLDTMP}/legacy/usr/lib/libl.a
39LIBROKEN:=${WORLDTMP}/legacy/usr/lib/libroken.a
40LIBDWARF:=${WORLDTMP}/legacy/usr/lib/libdwarf.a
41LIBELF:=${WORLDTMP}/legacy/usr/lib/libelf.a
42
43# Add various -Werror flags to catch missing function declarations
44CFLAGS+=	-Werror=implicit-function-declaration -Werror=implicit-int \
45		-Werror=return-type -Wundef
46CFLAGS+=	-DHAVE_NBTOOL_CONFIG_H=1
47CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/common
48
49# b64_pton and b64_ntop is in libresolv on MacOS and Linux:
50# TODO: only needed for uuencode and uudecode
51LDADD+=-lresolv
52
53.if ${.MAKE.OS} == "Linux"
54CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/linux
55CFLAGS+=	-std=gnu99 -D_GNU_SOURCE=1
56# Needed for sem_init, etc. on Linux (used by usr.bin/sort)
57LDADD+=	-pthread
58
59.elif ${.MAKE.OS} == "Darwin"
60CFLAGS+=	-D_DARWIN_C_SOURCE=1
61CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/mac
62# The macOS ar and ranlib don't understand all the flags supported by the
63# FreeBSD and Linux ar/ranlib
64ARFLAGS:=	-crs
65RANLIBFLAGS:=
66
67# to get libarchive (needed for elftoolchain)
68# MacOS ships /usr/lib/libarchive.dylib but doesn't provide the headers
69CFLAGS+=	-idirafter ${SRCTOP}/contrib/libarchive/libarchive
70.else
71.error "Unsupported build OS: ${.MAKE.OS}"
72.endif
73.endif # ${.MAKE.OS} != "FreeBSD"
74
75# we do not want to capture dependencies referring to the above
76UPDATE_DEPENDFILE= no
77
78# When building host tools we should never pull in headers from the source sys
79# directory to avoid any ABI issues that might cause the built binary to crash.
80# The only exceptions to this are sys/cddl/compat for dtrace bootstrap tools and
81# sys/crypto for libmd bootstrap.
82# We have to skip this check during make obj since bsd.crunchgen.mk will run
83# make obj on every directory during the build-tools phase.
84.if !make(obj)
85.if !empty(CFLAGS:M*${SRCTOP}/sys)
86.error Do not include $${SRCTOP}/sys when building bootstrap tools. \
87    Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile instead. \
88    Error was caused by Makefile in ${.CURDIR}
89.endif
90
91# ${SRCTOP}/include should also never be used to avoid ABI issues
92.if !empty(CFLAGS:M*${SRCTOP}/include*)
93.error Do not include $${SRCTOP}/include when building bootstrap tools. \
94    Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile instead. \
95    Error was caused by Makefile in ${.CURDIR}
96.endif
97.endif
98
99# GCC doesn't allow silencing warn_unused_result calls with (void) casts.
100CFLAGS.gcc+=-Wno-unused-result
101