Fix MinGW build of GDB by using proper argument for gmp

CHANGELOG.md

@@ -28,7 +28,7 @@ All notable changes to this project will be documented in this file.
 
 - Fixed documentation generation for newlib.
 - New versions of GDB finally use Python 3 for Windows, so fix the build by using packaged Python from NuGet.
-- Fixed build of GDB by using proper argument for mpfr.
+- Fixed build of GDB by using proper arguments for gmp and mpfr.
 - Fixed Windows build of GCC with recent MinGW toolchains
 ([upstream patch](https://gcc.gnu.org/pipermail/gcc-patches/2023-January/609514.html)).
 

build-bleeding-edge-toolchain.sh

@@ -1069,7 +1069,7 @@ buildMingw() {
 				--with-python=\"${top}/${buildFolder}/python.sh\" \
 				--program-prefix=\"${target}-\" \
 				--program-suffix=-py \
-				--with-libgmp-prefix=\"${top}/${buildFolder}/${prerequisites}/${gmp}\" \
+				--with-gmp=\"${top}/${buildFolder}/${prerequisites}/${gmp}\" \
 				--with-libiconv-prefix=\"${top}/${buildFolder}/${prerequisites}/${libiconv}\"" \
 			""
 		if [ "${keepBuildFolders}" = "y" ]; then
@@ -1082,7 +1082,7 @@ buildMingw() {
 			"${bannerPrefix}" \
 			"--build=\"${hostTriplet}\" --host=\"${triplet}\" \
 				--with-python=no \
-				--with-libgmp-prefix=\"${top}/${buildFolder}/${prerequisites}/${gmp}\" \
+				--with-gmp=\"${top}/${buildFolder}/${prerequisites}/${gmp}\" \
 				--with-libiconv-prefix=\"${top}/${buildFolder}/${prerequisites}/${libiconv}\"" \
 			""
 	fi