Cleanup scripts/cibw_before_all.sh

Author: skirpichev

pyproject.toml

@@ -69,7 +69,7 @@ build-frontend = {name="build", args=["--verbose"]}
 enable = "pypy cpython-prerelease cpython-freethreading graalpy"
 skip = """*-win32 gp311_242* *-manylinux_i686 *-musllinux_* \
           *-manylinux_armv7l pp*aarch64* gp3*win*"""
-before-all = "bash scripts/cibw_before_all.sh"
+before-all = "sh scripts/cibw_before_all.sh"
 test-extras = "tests"
 test-command = "pytest {package}"
 
@@ -81,7 +81,7 @@ CFLAGS = "-Wall -Wpedantic -Werror -std=c17 -Wconversion"
 
 [tool.cibuildwheel.windows]
 before-all = "msys2 -c scripts/cibw_before_all.sh"
-before-build = "pip install wheel delvewheel"
+before-build = "pip install delvewheel"
 repair-wheel-command = """delvewheel repair -w {dest_dir} {wheel} \
                           --add-path .local/bin"""
 

scripts/cibw_before_all.sh

@@ -1,31 +1,33 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e -x
 
 GMP_VERSION=6.3.0
-
+GMP_DIR=gmp-${GMP_VERSION}
+GMP_URL=https://ftp.gnu.org/gnu/gmp/${GMP_DIR}.tar.xz
 PREFIX="$(pwd)/.local/"
+CFLAGS=
 
-# -- build GMP --
-curl -s -O https://ftp.gnu.org/gnu/gmp/gmp-${GMP_VERSION}.tar.xz
-tar -xf gmp-${GMP_VERSION}.tar.xz
-cd gmp-${GMP_VERSION}
-patch -N -Z -p1 < ../scripts/fat_build_fix.diff
-patch -N -Z -p0 < ../scripts/dll-importexport.diff
-patch -N -Z -p1 < ../scripts/gcc15.diff
+curl --retry 3 --silent --remote-name ${GMP_URL}
+tar --extract --file ${GMP_DIR}.tar.xz
+cd ${GMP_DIR}
 
-unset CFLAGS
+for f in ../scripts/*.diff
+do
+  patch --strip 1 < $f
+done
 
 # config.guess uses microarchitecture and configfsf.guess doesn't
 # We replace config.guess with configfsf.guess to avoid microarchitecture
 # specific code in common code.
 rm config.guess && mv configfsf.guess config.guess && chmod +x config.guess
+
 ./configure --enable-fat \
             --enable-shared \
             --disable-static \
             --with-pic \
             --disable-alloca \
-            --prefix=$PREFIX -q
-make -j6 -s
-make -s install
-cd ../
+            --prefix=$PREFIX \
+            --quiet
+
+make --silent all install

scripts/dll-importexport.diff

@@ -1,8 +1,10 @@
 # https://gmplib.org/list-archives/gmp-devel/2025-August/006311.html
 #
---- gmp-h.in.orig	2025-08-15 13:37:06.328877394 +0300
-+++ gmp-h.in	2025-08-15 13:40:01.036262673 +0300
-@@ -101,8 +101,13 @@
+diff --git a/gmp-h.in b/gmp-h.in
+index 8598e97..6649434 100644
+--- a/gmp-h.in
++++ b/gmp-h.in
+@@ -101,8 +101,13 @@ see https://www.gnu.org/licenses/.  */
     make use of that.  Probably more trouble than it's worth.  */
 
  #if defined (__GNUC__)