$make
GOOS=linux GOARCH=amd64 go build -o cpfw-login_amd64 .
# _/Users/martin/workspace/cpfw-login
./http.go:21:102: cannot use "password" (type string) as type http.SameSite in field value
./http.go:21:122: cannot use []string literal (type []string) as type string in field value
./http.go:21:122: too few values in &http.Cookie literal
./http.go:22:94: cannot use "password" (type string) as type http.SameSite in field value
./http.go:22:114: cannot use []string literal (type []string) as type string in field value
./http.go:22:114: too few values in &http.Cookie literal
make: *** [cpfw-login_amd64] Error 2

$make cpfw-login_darwin
GOOS=darwin go build -o cpfw-login_darwin .
# _/Users/martin/workspace/cpfw-login
./http.go:21:102: cannot use "password" (type string) as type http.SameSite in field value
./http.go:21:122: cannot use []string literal (type []string) as type string in field value
./http.go:21:122: too few values in &http.Cookie literal
./http.go:22:94: cannot use "password" (type string) as type http.SameSite in field value
./http.go:22:114: cannot use []string literal (type []string) as type string in field value
./http.go:22:114: too few values in &http.Cookie literal
make: *** [cpfw-login_darwin] Error 2

go version
go version go1.9.2 darwin/amd64

failed MSpanList_Insert 0x1812000 0x43e7c578d9c 0x0
 fatal error: MSpanList_Insert

 runtime stack:
 runtime.throw(0x4311eb)
   /usr/local/go/src/runtime/panic.go:491 +0xad fp=0x7ffeefbff2b0 sp=0x7ffeefbff280
 runtime.MSpanList_Insert(0x4570e8, 0x1812000)
   /usr/local/go/src/runtime/mheap.c:692 +0x8f fp=0x7ffeefbff2d8 sp=0x7ffeefbff2b0
 MHeap_FreeSpanLocked(0x453ce0, 0x1812000, 0x100)
   /usr/local/go/src/runtime/mheap.c:583 +0x163 fp=0x7ffeefbff318 sp=0x7ffeefbff2d8
 MHeap_Grow(0x453ce0, 0x8, 0x0)
   /usr/local/go/src/runtime/mheap.c:420 +0x1a8 fp=0x7ffeefbff358 sp=0x7ffeefbff318
 MHeap_AllocSpanLocked(0x453ce0, 0x1, 0x0)
   /usr/local/go/src/runtime/mheap.c:298 +0x365 fp=0x7ffeefbff398 sp=0x7ffeefbff358
 mheap_alloc(0x453ce0, 0x1, 0x12, 0x0)
   /usr/local/go/src/runtime/mheap.c:190 +0x121 fp=0x7ffeefbff3c0 sp=0x7ffeefbff398
 runtime.MHeap_Alloc(0x453ce0, 0x1, 0x10000000012, 0x12349)
   /usr/local/go/src/runtime/mheap.c:240 +0x66 fp=0x7ffeefbff3f8 sp=0x7ffeefbff3c0
 MCentral_Grow(0x45ba58, 0x0)
   /usr/local/go/src/runtime/mcentral.c:197 +0x8b fp=0x7ffeefbff460 sp=0x7ffeefbff3f8
 runtime.MCentral_CacheSpan(0x45ba58, 0x0)
   /usr/local/go/src/runtime/mcentral.c:85 +0x167 fp=0x7ffeefbff498 sp=0x7ffeefbff460
 runtime.MCache_Refill(0x180e000, 0x12, 0x0)
   /usr/local/go/src/runtime/mcache.c:90 +0xa0 fp=0x7ffeefbff4c0 sp=0x7ffeefbff498
 runtime.mcacheRefill_m()
   /usr/local/go/src/runtime/malloc.c:368 +0x57 fp=0x7ffeefbff4e0 sp=0x7ffeefbff4c0
 runtime.onM(0x3638a8)
   /usr/local/go/src/runtime/asm_amd64.s:273 +0x9a fp=0x7ffeefbff4e8 sp=0x7ffeefbff4e0
 runtime.mallocgc(0x120, 0x2cc6a0, 0x0, 0x0)
   /usr/local/go/src/runtime/malloc.go:178 +0x849 fp=0x7ffeefbff598 sp=0x7ffeefbff4e8
 runtime.newobject(0x2cc6a0, 0x180e000)
   /usr/local/go/src/runtime/malloc.go:353 +0x49 fp=0x7ffeefbff5c0 sp=0x7ffeefbff598
 runtime.newG(0x2e26a)
   /usr/local/go/src/runtime/proc.go:233 +0x2a fp=0x7ffeefbff5d8 sp=0x7ffeefbff5c0
 allocg(0x444800)
   /usr/local/go/src/runtime/proc.c:925 +0x1f fp=0x7ffeefbff5e8 sp=0x7ffeefbff5d8
 runtime.malg(0x8000, 0x4449c0)
   /usr/local/go/src/runtime/proc.c:2106 +0x1f fp=0x7ffeefbff618 sp=0x7ffeefbff5e8
 runtime.mpreinit(0x444fe0)
   /usr/local/go/src/runtime/os_darwin.c:137 +0x27 fp=0x7ffeefbff630 sp=0x7ffeefbff618
 mcommoninit(0x444fe0)
   /usr/local/go/src/runtime/proc.c:201 +0xc9 fp=0x7ffeefbff658 sp=0x7ffeefbff630
 runtime.schedinit()
   /usr/local/go/src/runtime/proc.c:138 +0x55 fp=0x7ffeefbff680 sp=0x7ffeefbff658
 runtime.rt0_go(0x7ffeefbff6b0, 0x8, 0x7ffeefbff6b0, 0x0, 0x8, 0x7ffeefbff858, 0x7ffeefbff88d, 0x7ffeefbff893, 0x7ffeefbff8ad, 0x7ffeefbff8bd, ...)
   /usr/local/go/src/runtime/asm_amd64.s:95 +0x116 fp=0x7ffeefbff688 sp=0x7ffeefbff680