Error while trying to compile libgcrypt on macOS

[Pedro Andres Aranda Gutierrez]

Hi

I was just trying to compile libgcrypt 1.10.2 on my Mac

libgcrypt ➤ uname -a
Darwin paag-MacBookAir 21.6.0 Darwin Kernel Version 21.6.0: Thu Mar  9 20:08:59 PST 2023; root:xnu-8020.240.18.700.8~1/RELEASE_X86_64 x86_64

And I got the following error:

/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..  -I../src -I../src -I/usr/local/include -I/usr/local/include -arch x86_64 -Os -fno-delete-null-pointer-checks -Wall -MT rndgetentropy.lo -MD -MP -MF .deps/rndgetentropy.Tpo -c -o rndgetentropy.lo rndgetentropy.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -I../src -I../src -I/usr/local/include -I/usr/local/include -arch x86_64 -Os -fno-delete-null-pointer-checks -Wall -MT rndgetentropy.lo -MD -MP -MF .deps/rndgetentropy.Tpo -c rndgetentropy.c  -fno-common -DPIC -o .libs/rndgetentropy.o
rndgetentropy.c:98:21: error: implicit declaration of function 'getrandom' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
              ret = getrandom (buffer, nbytes, GRND_RANDOM);
                    ^
rndgetentropy.c:98:48: error: use of undeclared identifier 'GRND_RANDOM'
              ret = getrandom (buffer, nbytes, GRND_RANDOM);
                                               ^
2 errors generated.

This all in my effort to get gnupg 2.4.1 running from the tarballs in gnupg.org <http://gnupg.org/>

Thanks for any help, /PA

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