Build universal2 wheels on macos

Use 10.15 or old python complains
More robust location for pip package

1 files changed, 47 insertions, 0 deletions

diff --git a/scripts/build_osx_universal_gmpfr.sh b/scripts/build_osx_universal_gmpfr.sh
new file mode 100755
index 00000000..3dafa3ce
--- /dev/null
+++ b/scripts/build_osx_universal_gmpfr.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+# In the working directory, creates deps-uni/lib/*
+# Assumes that the user has enough rights to run brew fetch
+
+# Downloading
+mkdir deps-amd64
+cd deps-amd64
+tar xf "`brew fetch --bottle-tag=big_sur gmp        | sed -ne 's/^Downloaded to: //p'`"
+tar xf "`brew fetch --bottle-tag=big_sur mpfr       | sed -ne 's/^Downloaded to: //p'`"
+cd ..
+mkdir deps-arm64
+cd deps-arm64
+tar xf "`brew fetch --bottle-tag=arm64_big_sur gmp  | sed -ne 's/^Downloaded to: //p'`"
+tar xf "`brew fetch --bottle-tag=arm64_big_sur mpfr | sed -ne 's/^Downloaded to: //p'`"
+cd ..
+
+# Merging
+mkdir -p deps-uni/lib
+GMP1=deps-amd64/gmp/*/lib/libgmp.*.dylib
+GMP=`basename $GMP1`
+GMPXX1=deps-amd64/gmp/*/lib/libgmpxx.*.dylib
+GMPXX=`basename $GMPXX1`
+MPFR1=deps-amd64/mpfr/*/lib/libmpfr.*.dylib
+MPFR=`basename $MPFR1`
+lipo -create $GMP1 deps-arm64/gmp/*/lib/$GMP -output deps-uni/lib/$GMP
+lipo -create $GMPXX1 deps-arm64/gmp/*/lib/$GMPXX -output deps-uni/lib/$GMPXX
+lipo -create $MPFR1 deps-arm64/mpfr/*/lib/$MPFR -output deps-uni/lib/$MPFR
+
+# Necessary even for libs created by lipo
+install_name_tool -id $PWD/deps-uni/lib/$GMP deps-uni/lib/$GMP
+install_name_tool -id $PWD/deps-uni/lib/$GMPXX deps-uni/lib/$GMPXX
+install_name_tool -id $PWD/deps-uni/lib/$MPFR deps-uni/lib/$MPFR
+# Also fix dependencies
+BADGMP=`otool -L deps-uni/lib/$MPFR|sed -ne 's/[[:space:]]*\(.*libgmp\..*dylib\).*/\1/p'`
+install_name_tool -change $BADGMP $PWD/deps-uni/lib/$GMP deps-uni/lib/$MPFR
+BADGMP=`otool -L deps-uni/lib/$GMPXX|sed -ne 's/[[:space:]]*\(.*libgmp\..*dylib\).*/\1/p'`
+install_name_tool -change $BADGMP $PWD/deps-uni/lib/$GMP deps-uni/lib/$GMPXX
+
+ln -s $GMP deps-uni/lib/libgmp.dylib
+ln -s $GMPXX deps-uni/lib/libgmpxx.dylib
+ln -s $MPFR deps-uni/lib/libmpfr.dylib
+
+# Debug
+ls -l deps-uni/lib
+otool -L deps-uni/lib/*.*.dylib