depends: pass verbose through to cmake based makefiles

[m3dwards]

While testing #29708 I was not able to enable verbose output to check which flags were being given to the compiler.

With this PR, running depends with V=1 will enable verbose output from makefiles generated by cmake.

How to test:

make -C depends libnatpmp V=1

[DrahtBot]

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Type	Reviewers
ACK	hebasto, fanquake
Concept ACK	alfonsoromanz, theuni

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Conflicts

Reviewers, this pull request conflicts with the following ones:

• #29962 (RFC: depends: add release type to CMake builds by theuni)

If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.

[fanquake]

Concept ACK

[hebasto]

ACK 7c69baf. Tested using the folowing command:

make -C depends native_capnp_built MULTIPROCESS=1 V=1

[alfonsoromanz]

Concept ACK

[theuni]

Concept ACK. I just ran into this locally. I solved it using V=1 VERBOSE=1, but this makes sense too.

[DrahtBot]

Guix builds (on x86_64) [untrusted test-only build, possibly unsafe, not for production use]

File	commit 0e2e7d1 (master)	commit deda98e (master and this pull)
SHA256SUMS.part	cb61aee9f80ec1ba...	282e9656781e74a4...
*-aarch64-linux-gnu-debug.tar.gz	aee07f71c47fe4ce...	ccdd5f7e47b97d02...
*-aarch64-linux-gnu.tar.gz	ba2365bd11aa0d2e...	117cddbc843a018d...
*-arm-linux-gnueabihf-debug.tar.gz	5b8e0c3177a93ff7...	dfc4e820992cefae...
*-arm-linux-gnueabihf.tar.gz	80dd4d3fa9886900...	917321b8590b705e...
*-arm64-apple-darwin-unsigned.tar.gz	a05f1e80bb8368cf...	aa726a78c0fa8c76...
*-arm64-apple-darwin-unsigned.zip	d7fddc2fd63564b5...	65f0651e4fd98030...
*-arm64-apple-darwin.tar.gz	9cf49289529c199a...	a4a55c7282396678...
*-powerpc64-linux-gnu-debug.tar.gz	1ff0e9a500866b2f...	fba27becd65ea815...
*-powerpc64-linux-gnu.tar.gz	0c57fe0ca2060225...	f11dc31b379c36ba...
*-riscv64-linux-gnu-debug.tar.gz	f297c7785b048f1e...	eeb5c2f91de78d60...
*-riscv64-linux-gnu.tar.gz	ba8df476a4f5795d...	759a78fd93c9db17...
*-x86_64-apple-darwin-unsigned.tar.gz	f050edb765f1e320...	52adb8622d5af022...
*-x86_64-apple-darwin-unsigned.zip	37262b66a3c5729c...	c010af8b9e5e3b2e...
*-x86_64-apple-darwin.tar.gz	9a234f1b809e0f06...	3c8e03397f1d39f0...
*-x86_64-linux-gnu-debug.tar.gz	2934441057abec67...	0772ee06f2351958...
*-x86_64-linux-gnu.tar.gz	a6a70305a97536a8...	eabda4adc7456089...
*.tar.gz	380e07ef0f352d9b...	3b91e23e5c5728c4...
guix_build.log	3d2cadabdeb0586f...	37c3f193a47f42b1...
guix_build.log.diff		a51541c09914dfc5...

[m3dwards]

I have tried to look for an alternative variable that will enable verbose output regardless of build system but I couldn't find one. I thought this looked promising https://cmake.org/cmake/help/latest/envvar/VERBOSE.html but it didn't work for me.

[fanquake]

ACK 7c69baf