xref: /freebsd/tools/build/mk/Makefile.boot (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1
2CFLAGS+=	-I${WORLDTMP}/legacy/usr/include
3DPADD+=		${WORLDTMP}/legacy/usr/lib/libegacy.a
4LDADD+=		-legacy
5LDFLAGS+=	-L${WORLDTMP}/legacy/usr/lib
6
7.if ${.MAKE.OS} != "FreeBSD"
8# On MacOS using a non-mac ar will fail the build, similarly on Linux using
9# nm may not work as expected if the nm for the target architecture comes in
10# $PATH before a nm that supports the host architecture.
11# To ensure that host binary compile as expected we use the tools from /usr/bin.
12AR:=	/usr/bin/ar
13RANLIB:=	/usr/bin/ranlib
14NM:=	/usr/bin/nm
15
16# Avoid stale dependecy warnings:
17LIBC:=
18LIBM:=
19LIBUTIL:=
20LIBCPLUSPLUS:=
21LIBARCHIVE:=
22LIBPTHREAD:=
23LIBMD:=${WORLDTMP}/legacy/usr/lib/libmd.a
24LIBNV:=${WORLDTMP}/legacy/usr/lib/libnv.a
25LIBSBUF:=${WORLDTMP}/legacy/usr/lib/libsbuf.a
26LIBY:=${WORLDTMP}/legacy/usr/lib/liby.a
27LIBL:=${WORLDTMP}/legacy/usr/lib/libl.a
28LIBROKEN:=${WORLDTMP}/legacy/usr/lib/libroken.a
29LIBDWARF:=${WORLDTMP}/legacy/usr/lib/libdwarf.a
30LIBELF:=${WORLDTMP}/legacy/usr/lib/libelf.a
31LIBZ:=${WORLDTMP}/legacy/usr/lib/libz.a
32
33# Add various -Werror flags to catch missing function declarations
34CFLAGS+=	-Werror=implicit-function-declaration -Werror=implicit-int \
35		-Werror=return-type -Wundef
36CFLAGS+=	-DHAVE_NBTOOL_CONFIG_H=1
37# This is needed for code that compiles for pre-C11 C standards
38CWARNFLAGS.clang+=-Wno-typedef-redefinition
39# bsd.sys.mk explicitly turns on -Wsystem-headers, but that's extremely
40# noisy when building on Linux.
41CWARNFLAGS+=	-Wno-system-headers
42CWARNFLAGS.clang+=-Werror=incompatible-pointer-types-discards-qualifiers
43
44# b64_pton and b64_ntop is in libresolv on MacOS and Linux:
45# TODO: only needed for uuencode and uudecode
46LDADD+=-lresolv
47
48.if ${.MAKE.OS} == "Linux"
49CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/linux
50CFLAGS+=	-D_GNU_SOURCE=1
51# Needed for sem_init, etc. on Linux (used by usr.bin/sort)
52LDADD+=	-pthread
53
54.elif ${.MAKE.OS} == "Darwin"
55CFLAGS+=	-D_DARWIN_C_SOURCE=1
56CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/mac
57# The macOS ar and ranlib don't understand all the flags supported by the
58# FreeBSD and Linux ar/ranlib
59ARFLAGS:=	-crs
60RANLIBFLAGS:=
61
62# to get libarchive (needed for elftoolchain)
63# MacOS ships /usr/lib/libarchive.dylib but doesn't provide the headers
64CFLAGS+=	-idirafter ${SRCTOP}/contrib/libarchive/libarchive
65.else
66.error Unsupported build OS: ${.MAKE.OS}
67.endif
68.endif # ${.MAKE.OS} != "FreeBSD"
69
70.if ${.MAKE.OS} != "FreeBSD"
71# Add the common compatibility headers after the OS-specific ones.
72CFLAGS+=	-I${SRCTOP}/tools/build/cross-build/include/common
73.endif
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