Merge pull request #1792 from MehdiChinoune/cmake-pkgconf #1225

Job	Run time
Alpine Linux, musl, 32-bit (assert, x1.5)	13m 7s
macOS-x86 Clang with BLAS (x2)	16m 15s
macOS-M1, Clang (x3)	7m 24s
MinGW GCC (x0.5)	10m 50s
MSVC (x1)	10m 34s
Nemo.jl (temporary branch)	10m 2s
Ubuntu Clang with examples (x5)	12m 1s
Ubuntu GCC, Code Coverage (x10)	29m 50s
Ubuntu GCC with NTL (assert, x2)	7m 12s
	1h 57m 15s

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