1[short] skip
2
3# Compiler name is always added.
4go build
5go version -m m$GOEXE
6stdout '^\tbuild\t-compiler=gc$'
7stdout '^\tbuild\tGOOS='
8stdout '^\tbuild\tGOARCH='
9[GOARCH:amd64] stdout '^\tbuild\tGOAMD64='
10! stdout asmflags|gcflags|ldflags|gccgoflags
11
12# Toolchain flags are added if present.
13# The raw flags are included, with package patterns if specified.
14go build -asmflags=example.com/m=-D=FOO=bar
15go version -m m$GOEXE
16stdout '^\tbuild\t-asmflags=example\.com/m=-D=FOO=bar$'
17
18go build -gcflags=example.com/m=-N
19go version -m m$GOEXE
20stdout '^\tbuild\t-gcflags=example\.com/m=-N$'
21
22go build -ldflags=example.com/m=-w
23go version -m m$GOEXE
24stdout '^\tbuild\t-ldflags=example\.com/m=-w$'
25
26go build -trimpath
27go version -m m$GOEXE
28stdout '\tbuild\t-trimpath=true$'
29
30# gccgoflags are not added when gc is used, and vice versa.
31# TODO: test gccgo.
32go build -gccgoflags=all=UNUSED
33go version -m m$GOEXE
34! stdout gccgoflags
35
36# Build and tool tags are added but not release tags.
37# "race" is included with build tags but not "cgo".
38go build -tags=a,b
39go version -m m$GOEXE
40stdout '^\tbuild\t-tags=a,b$'
41[race] go build -race
42[race] go version -m m$GOEXE
43[race] ! stdout '^\tbuild\t-tags='
44[race] stdout '^\tbuild\t-race=true$'
45
46# CGO flags are separate settings.
47# CGO_ENABLED is always present.
48# Other flags are added if CGO_ENABLED is true.
49env CGO_ENABLED=0
50go build
51go version -m m$GOEXE
52stdout '^\tbuild\tCGO_ENABLED=0$'
53! stdout CGO_CPPFLAGS|CGO_CFLAGS|CGO_CXXFLAGS|CGO_LDFLAGS
54
55[cgo] env CGO_ENABLED=1
56[cgo] env CGO_CPPFLAGS=-DFROM_CPPFLAGS=1
57[cgo] env CGO_CFLAGS=-DFROM_CFLAGS=1
58[cgo] env CGO_CXXFLAGS=-DFROM_CXXFLAGS=1
59[cgo] env CGO_LDFLAGS=-L/extra/dir/does/not/exist
60[cgo] go build '-ldflags=all=-linkmode=external -extldflags=-L/bonus/dir/does/not/exist'
61[cgo] go version -m m$GOEXE
62[cgo] stdout '^\tbuild\t-ldflags="all=-linkmode=external -extldflags=-L/bonus/dir/does/not/exist"$'
63[cgo] stdout '^\tbuild\tCGO_ENABLED=1$'
64[cgo] stdout '^\tbuild\tCGO_CPPFLAGS=-DFROM_CPPFLAGS=1$'
65[cgo] stdout '^\tbuild\tCGO_CFLAGS=-DFROM_CFLAGS=1$'
66[cgo] stdout '^\tbuild\tCGO_CXXFLAGS=-DFROM_CXXFLAGS=1$'
67[cgo] stdout '^\tbuild\tCGO_LDFLAGS=-L/extra/dir/does/not/exist$'
68
69# https://go.dev/issue/52372: a cgo-enabled binary should not be stamped with
70# CGO_ flags that contain paths.
71[cgo] env CGO_ENABLED=1
72[cgo] env CGO_CPPFLAGS=-DFROM_CPPFLAGS=1
73[cgo] env CGO_CFLAGS=-DFROM_CFLAGS=1
74[cgo] env CGO_CXXFLAGS=-DFROM_CXXFLAGS=1
75[cgo] env CGO_LDFLAGS=-L/extra/dir/does/not/exist
76[cgo] go build -trimpath '-ldflags=all=-linkmode=external -extldflags=-L/bonus/dir/does/not/exist'
77[cgo] go version -m m$GOEXE
78[cgo] ! stdout '/extra/dir/does/not/exist'
79[cgo] ! stdout '/bonus/dir/does/not/exist'
80[cgo] stdout '^\tbuild\tCGO_ENABLED=1$'
81
82-- go.mod --
83module example.com/m
84
85go 1.18
86-- m.go --
87package main
88
89func main() {}
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