Merge branch 'wasm32-wasi' into 'master'

Wasm32 specific patch

See merge request !1

0001-Enable-building-for-wasm32-wasi.patch

+From df70b7d9c1d1d1e8985060a1d56862a8f2e55d3f Mon Sep 17 00:00:00 2001
+From: Cheng Shao <astrohavoc@gmail.com>
+Date: Thu, 3 Nov 2022 13:58:46 +0000
+Subject: [PATCH] Enable building for wasm32-wasi
+
+This patch enables gmp-6.2.1 to build for wasm32-wasi, which lacks
+signals and raise.h.
+---
+ errno.c   | 2 ++
+ invalid.c | 9 ++++++++-
+ 2 files changed, 10 insertions(+), 1 deletion(-)
+
+diff --git a/errno.c b/errno.c
+index b4be555..7c0f1db 100644
+--- a/errno.c
++++ b/errno.c
+@@ -34,7 +34,9 @@ see https://www.gnu.org/licenses/.  */
+ 
+ #include <stdlib.h>
+ 
++#ifdef HAVE_RAISE
+ #include <signal.h>
++#endif
+ 
+ #include "gmp-impl.h"
+ 
+diff --git a/invalid.c b/invalid.c
+index e09eab2..71cf7d5 100644
+--- a/invalid.c
++++ b/invalid.c
+@@ -34,7 +34,10 @@ see https://www.gnu.org/licenses/.  */
+ 
+ #include "config.h"
+ 
++#ifdef HAVE_RAISE
+ #include <signal.h>
++#endif
++
+ #include <stdlib.h>
+ 
+ #if HAVE_UNISTD_H
+@@ -47,7 +50,7 @@ see https://www.gnu.org/licenses/.  */
+ /* Incidentally, kill is not available on mingw, but that's ok, it has raise
+    and we'll be using that.  */
+ #if ! HAVE_RAISE
+-#define raise(sig)   kill (getpid(), sig)
++#define raise(sig)   exit(sig)
+ #endif
+ 
+ 
+@@ -77,6 +80,10 @@ see https://www.gnu.org/licenses/.  */
+ void
+ __gmp_invalid_operation (void)
+ {
++#ifdef SIGFPE
+   raise (SIGFPE);
++#else
++  __gmp_junk = 10 / __gmp_0;
++#endif
+   abort ();
+ }
+-- 
+2.38.1
+

build-nodoc-tarball

@@ -12,14 +12,19 @@ GMP_DOWNLOAD_SIGNATURE=https://gmplib.org/download/gmp/${GMP_SIGNATURE}
 
 wget "$GMP_DOWNLOAD_TARBALL"
 wget "$GMP_DOWNLOAD_SIGNATURE"
-gpg --keyserver keys.gnupg.net --recv-keys 0x28C67298
+gpg --keyserver keyserver.ubuntu.com --recv-keys 343C2FF0FBEE5EC2EDBEF399F3599FF828C67298
 gpg --verify "$GMP_SIGNATURE" "$GMP_TARBALL"
 # Fingerprint is okay
 rm "$GMP_SIGNATURE"
 
-bunzip2 "$GMP_TARBALL"
+tar -xjf "$GMP_TARBALL"
+cd gmp-${GMP_VERSION}
+rm -r doc
+patch -p1 < ../0001-Enable-building-for-wasm32-wasi.patch
+cd ..
 UNCOMPRESSED_TARBALL=${GMP_TARBALL%.bz2}
-tar --delete --file="$UNCOMPRESSED_TARBALL" gmp-${GMP_VERSION}/doc
+tar -c --sort=name --mtime=0 --owner=0 --group=0 --numeric-owner -f ${UNCOMPRESSED_TARBALL} gmp-${GMP_VERSION}
+rm -r gmp-${GMP_VERSION}
 mv ${UNCOMPRESSED_TARBALL} out-${UNCOMPRESSED_TARBALL}
 bzip2 out-"$UNCOMPRESSED_TARBALL"
 echo "Output tarball is in out-$GMP_TARBALL"