xref: /freebsd/tools/build/mk/Makefile.boot (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
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# $PATH before a nm that supports the host architecture.
12# To ensure that host binary compile as expected we use the tools from /usr/bin.
13AR:=	/usr/bin/ar
14RANLIB:=	/usr/bin/ranlib
15NM:=	/usr/bin/nm
16
17# Avoid stale dependecy warnings:
18LIBC:=
19LIBM:=
20LIBUTIL:=
21LIBCPLUSPLUS:=
22LIBARCHIVE:=
23LIBPTHREAD:=
24LIBMD:=${WORLDTMP}/legacy/usr/lib/libmd.a
25LIBNV:=${WORLDTMP}/legacy/usr/lib/libnv.a
26LIBSBUF:=${WORLDTMP}/legacy/usr/lib/libsbuf.a
27LIBY:=${WORLDTMP}/legacy/usr/lib/liby.a
28LIBL:=${WORLDTMP}/legacy/usr/lib/libl.a
29LIBROKEN:=${WORLDTMP}/legacy/usr/lib/libroken.a
30LIBDWARF:=${WORLDTMP}/legacy/usr/lib/libdwarf.a
31LIBELF:=${WORLDTMP}/legacy/usr/lib/libelf.a
32LIBZ:=${WORLDTMP}/legacy/usr/lib/libz.a
33
34# Add various -Werror flags to catch missing function declarations
35CFLAGS+=	-Werror=implicit-function-declaration -Werror=implicit-int \
36		-Werror=return-type -Wundef
37CFLAGS+=	-DHAVE_NBTOOL_CONFIG_H=1
38CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/common
39# This is needed for code that compiles for pre-C11 C standards
40CWARNFLAGS.clang+=-Wno-typedef-redefinition
41# bsd.sys.mk explicitly turns on -Wsystem-headers, but that's extremely
42# noisy when building on Linux.
43CWARNFLAGS+=	-Wno-system-headers
44CWARNFLAGS.clang+=-Werror=incompatible-pointer-types-discards-qualifiers
45
46# b64_pton and b64_ntop is in libresolv on MacOS and Linux:
47# TODO: only needed for uuencode and uudecode
48LDADD+=-lresolv
49
50.if ${.MAKE.OS} == "Linux"
51CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/linux
52CFLAGS+=	-D_GNU_SOURCE=1
53# Needed for sem_init, etc. on Linux (used by usr.bin/sort)
54LDADD+=	-pthread
55
56.elif ${.MAKE.OS} == "Darwin"
57CFLAGS+=	-D_DARWIN_C_SOURCE=1
58CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/mac
59# The macOS ar and ranlib don't understand all the flags supported by the
60# FreeBSD and Linux ar/ranlib
61ARFLAGS:=	-crs
62RANLIBFLAGS:=
63
64# to get libarchive (needed for elftoolchain)
65# MacOS ships /usr/lib/libarchive.dylib but doesn't provide the headers
66CFLAGS+=	-idirafter ${SRCTOP}/contrib/libarchive/libarchive
67.else
68.error Unsupported build OS: ${.MAKE.OS}
69.endif
70.endif # ${.MAKE.OS} != "FreeBSD"
71
72# we do not want to capture dependencies referring to the above
73UPDATE_DEPENDFILE= no
74
75# When building host tools we should never pull in headers from the source sys
76# directory to avoid any ABI issues that might cause the built binary to crash.
77# The only exceptions to this are sys/cddl/compat for dtrace bootstrap tools and
78# sys/crypto for libmd bootstrap.
79# We have to skip this check during make obj since bsd.crunchgen.mk will run
80# make obj on every directory during the build-tools phase.
81.if !make(obj)
82.if !empty(CFLAGS:M*${SRCTOP}/sys)
83.error Do not include $${SRCTOP}/sys when building bootstrap tools. \
84    Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile instead. \
85    Error was caused by Makefile in ${.CURDIR}
86.endif
87
88# ${SRCTOP}/include should also never be used to avoid ABI issues
89.if !empty(CFLAGS:M*${SRCTOP}/include*)
90.error Do not include $${SRCTOP}/include when building bootstrap tools. \
91    Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile instead. \
92    Error was caused by Makefile in ${.CURDIR}
93.endif
94.endif
95
96# GCC doesn't allow silencing warn_unused_result calls with (void) casts.
97CFLAGS.gcc+=-Wno-unused-result
98