Fix MIN_SDK in framework creation (#54)

create-openssl-framework.sh

@@ -3,17 +3,11 @@ source scripts/get-openssl-version.sh
 
 set -euo pipefail
 
-if [ $# == 0 ]; then
-    echo "Usage: `basename $0` static|dynamic"
-    exit 1
-fi
-
 if [ ! -d lib ]; then
     echo "Please run build-libssl.sh first!"
     exit 1
 fi
 
-FWTYPE=$1
 FWNAME=openssl
 FWROOT=frameworks
 
@@ -64,6 +58,27 @@ function get_min_sdk() {
     set -o pipefail
 }
 
+function get_target_sdk() {
+    local file=$1
+    set +o pipefail
+    otool -l "$file" | awk "
+        /^Load command/ {
+            last_command = \"\"
+        }
+        \$1 == \"cmd\" {
+            last_command = \$2
+        }
+        ((last_command ~ /LC_BUILD_VERSION/ && \$1 == \"sdk\") ||
+            (last_command ~ /^LC_VERSION_MIN_/ && \$1 == \"sdk\")) &&
+            (\$2 ~ /^[1-9]/) {
+
+            print \$2
+            exit
+        }
+    "
+    set -o pipefail
+}
+
 # Read OpenSSL version from opensslv.h file.
 #
 # In modern OpenSSL releases the version line looks like this:
@@ -95,7 +110,6 @@ function get_openssl_version_from_file() {
     echo $(get_openssl_version $std_version)
 }
 
-if [ $FWTYPE == "dynamic" ]; then
 DEVELOPER=`xcode-select -print-path`
 FW_EXEC_NAME="${FWNAME}.framework/${FWNAME}"
 INSTALL_NAME="@rpath/${FW_EXEC_NAME}"
@@ -115,23 +129,24 @@ if [ $FWTYPE == "dynamic" ]; then
     echo "Assembling .dylib for $PLATFORM $SDKVERSION ($ARCH)"
 
     MIN_SDK_VERSION=$(get_min_sdk "${TARGETDIR}/lib/libcrypto.a")
+    TARGET_SDK_VERSION=$(get_target_sdk "${TARGETDIR}/lib/libcrypto.a")
     if [[ $PLATFORM == AppleTVSimulator* ]]; then
-            MIN_SDK="-platform_version tvos-simulator $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version tvos-simulator $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     elif [[ $PLATFORM == AppleTV* ]]; then
-            MIN_SDK="-platform_version tvos $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version tvos $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     elif [[ $PLATFORM == MacOSX* ]]; then
-            MIN_SDK="-platform_version macos $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version macos $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     elif [[ $PLATFORM == Catalyst* ]]; then
-            MIN_SDK="-platform_version mac-catalyst $MIN_SDK_VERSION $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version mac-catalyst $MIN_SDK_VERSION $TARGET_SDK_VERSION"
         PLATFORM="MacOSX"
     elif [[ $PLATFORM == iPhoneSimulator* ]]; then
-            MIN_SDK="-platform_version ios-simulator $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version ios-simulator $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     elif [[ $PLATFORM == WatchOS* ]]; then
-            MIN_SDK="-platform_version watchos $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version watchos $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     elif [[ $PLATFORM == WatchSimulator* ]]; then
-            MIN_SDK="-platform_version watchos-simulator $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version watchos-simulator $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     else
-            MIN_SDK="-platform_version ios $MIN_SDK_VERSION"
+        MIN_SDK="-platform_version ios $MIN_SDK_VERSION $TARGET_SDK_VERSION"
     fi
 
     CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
@@ -188,34 +203,6 @@ if [ $FWTYPE == "dynamic" ]; then
 done
 
 rm bin/*/$FWNAME.dylib
-else
-    for SYS in ${ALL_SYSTEMS[@]}; do
-        SYSDIR="$FWROOT/$SYS"
-        FWDIR="$SYSDIR/$FWNAME.framework"
-        LIBS_CRYPTO=(bin/${SYS}*/lib/libcrypto.a)
-        LIBS_SSL=(bin/${SYS}*/lib/libssl.a)
-
-        if [[ ${#LIBS_CRYPTO[@]} -gt 0 && -e ${LIBS_CRYPTO[0]} && ${#LIBS_SSL[@]} -gt 0 && -e ${LIBS_SSL[0]} ]]; then
-            echo "Creating framework for $SYS"
-            mkdir -p $FWDIR/lib
-            lipo -create ${LIBS_CRYPTO[@]} -output $FWDIR/lib/libcrypto.a
-            lipo -create ${LIBS_SSL[@]} -output $FWDIR/lib/libssl.a
-            libtool -static -o $FWDIR/$FWNAME $FWDIR/lib/*.a
-            rm -rf $FWDIR/lib
-            mkdir -p $FWDIR/Headers
-            cp -r include/$FWNAME/* $FWDIR/Headers/
-            cp -L assets/$SYS/Info.plist $FWDIR/Info.plist
-            MIN_SDK_VERSION=$(get_min_sdk "$FWDIR/$FWNAME")
-            OPENSSL_VERSION=$(get_openssl_version_from_file "$FWDIR/Headers/opensslv.h")
-            sed -e "s/\\\$(MIN_SDK_VERSION)/$MIN_SDK_VERSION/g" \
-                -e "s/\\\$(OPENSSL_VERSION)/$OPENSSL_VERSION/g" \
-                -i '' "$FWDIR/Info.plist"
-            echo "Created $FWDIR"
-        else
-            echo "Skipped framework for $SYS"
-        fi
-    done
-fi
 
 # macOS and Catalyst symlinks
 for SYS in ${ALL_SYSTEMS[@]}; do