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Jay Conrod 4a48a7d7bd [release-branch.go1.15] cmd/go: don't lookup the path for CC when invoking cgo 
Previously, if CC was a path without separators (like gcc or clang),
we'd look it up in PATH in cmd/go using internal/execabs.LookPath,
then pass the resolved path to cgo in CC.

This caused a regression: if the directory in PATH containing CC has a
space, cgo splits it and interprets it as multiple arguments.

With this change, cmd/go no longer resolves CC before invoking
cgo. cgo does the path lookup on each invocation. This reverts the
security fix CL 284780, but that was redundant with the addition of
internal/execabs (CL 955304), which still protects us.

NOTE: This CL includes a related test fix from CL 286292.

Fixes #43860

Change-Id: I65d91a1e303856df8653881eb6e2e75a3bf95c49
Reviewed-on: https://go-review.googlesource.com/c/go/+/285873
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit a2cef9b544)
Reviewed-on: https://go-review.googlesource.com/c/go/+/285954
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
2021-02-02 17:58:14 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api go/printer: remove exported StdFormat flag 2020-07-17 02:15:01 +00:00
doc [release-branch.go1.15] doc/go1.15: mention 1.15.3 cgo restriction on empty structs 2020-12-16 04:10:01 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020a 2020-04-30 08:07:39 +00:00
misc [release-branch.go1.15-security] cmd/go, cmd/cgo: don't let bogus symbol set cgo_ldflag 2020-11-11 23:35:14 +00:00
src [release-branch.go1.15] cmd/go: don't lookup the path for CC when invoking cgo 2021-02-02 17:58:14 +00:00
test [release-branch.go1.15] cmd/compile: don't short-circuit copies whose source is volatile 2021-01-21 21:44:47 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md
CONTRIBUTORS [release-branch.go1.15] all: merge master into release-branch.go1.15 2020-08-11 17:05:57 +00:00
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VERSION [release-branch.go1.15-security] go1.15.7 2021-01-19 19:47:12 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

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Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.