Fix macos deployment target not being configured properly (java-nativ…

…e-access#451)

Motivation::

Previously, the native library would fail to load on older macos versions since the target macos version was not specified correctly. Now, the generated dylib correctly targets macos 10.12. This can be verified with `otool -l codec-native-quic/target/native-build/target/lib/libnetty_quiche_osx_x86_64.jnilib | grep LC_VERSION_MIN_MACOSX -A4` (the output will contain a `version 10.12` line).

Modifications:

The `-mmacosx-version-min` option is manually added to `cmakeAsmFlags` since cmake doesn't take `MACOSX_DEPLOYMENT_TARGET` into account for asm compilation. The flag is manually added to `extraCflags` and `extraLdflags` since that is the best way I could find to pass the option to hawtjni.

Result:

This builds and all tests pass on my macbook running macos High Sierra (10.13). I tried running the cross compile profile (though it's not actually cross compiling) and that also build correctly, however I would still suggest testing this on a aarch64 machine.

codec-native-quic/pom.xml

@@ -115,14 +115,15 @@
         -->
         <macosxDeploymentTarget>10.12</macosxDeploymentTarget>
         <!-- On *nix, add ASM flags to disable executable stack -->
-        <cmakeAsmFlags>-Wa,--noexecstack</cmakeAsmFlags>
+        <cmakeAsmFlags>-Wa,--noexecstack -mmacosx-version-min=${macosxDeploymentTarget}</cmakeAsmFlags>
+        <extraCflags>-mmacosx-version-min=${macosxDeploymentTarget}</extraCflags>
         <cmakeCFlags>${extraCflags} -O3 -fno-omit-frame-pointer -DOPENSSL_C11_ATOMIC</cmakeCFlags>
         <!-- We need to define __STDC_CONSTANT_MACROS and __STDC_FORMAT_MACROS when building boringssl on centos 6 -->
         <cmakeCxxFlags>${extraCxxflags} -O3 -fno-omit-frame-pointer -DOPENSSL_C11_ATOMIC -Wno-error=range-loop-analysis</cmakeCxxFlags>
         <libssl>libssl.a</libssl>
         <libcrypto>libcrypto.a</libcrypto>
         <libquiche>libquiche.a</libquiche>
-        <extraLdflags>-platform_version,macos,${macosxDeploymentTarget},${macosxDeploymentTarget}</extraLdflags>
+        <extraLdflags>-platform_version,macos,${macosxDeploymentTarget},${macosxDeploymentTarget} -mmacosx-version-min=${macosxDeploymentTarget}</extraLdflags>
         <extraConfigureArg>MACOSX_DEPLOYMENT_TARGET=${macosxDeploymentTarget}</extraConfigureArg>
         <bundleNativeCode>META-INF/native/lib${jniLibName}.jnilib;osname=macos;osname=macosx;processor=${os.detected.arch}</bundleNativeCode>
       </properties>
@@ -164,18 +165,18 @@
         <jni.classifier>osx-x86_64</jni.classifier>
         <javaModuleNameWithClassifier>osx.x86_64</javaModuleNameWithClassifier>
         <macosxDeploymentTarget>10.12</macosxDeploymentTarget>
-        <extraCflags>-target x86_64-apple-macos10.12</extraCflags>
+        <extraCflags>-target x86_64-apple-macos10.12 -mmacosx-version-min=${macosxDeploymentTarget}</extraCflags>
         <extraCxxflags>-target x86_64-apple-macos10.12</extraCxxflags>
         <!-- On *nix, add ASM flags to disable executable stack -->
-        <cmakeAsmFlags>-Wa,--noexecstack -target x86_64-apple-macos10.12</cmakeAsmFlags>
+        <cmakeAsmFlags>-Wa,--noexecstack -target x86_64-apple-macos10.12 -mmacosx-version-min=${macosxDeploymentTarget}</cmakeAsmFlags>
         <extraCmakeFlags>-DCMAKE_SYSTEM_PROCESSOR=x86_64 -DCMAKE_OSX_ARCHITECTURES=x86_64</extraCmakeFlags>
         <cmakeCFlags>${extraCflags} -O3 -fno-omit-frame-pointer  -DOPENSSL_C11_ATOMIC</cmakeCFlags>
         <!-- We need to define __STDC_CONSTANT_MACROS and __STDC_FORMAT_MACROS when building boringssl on centos 6 -->
         <cmakeCxxFlags>${extraCxxflags} -O3 -fno-omit-frame-pointer -DOPENSSL_C11_ATOMIC -Wno-error=range-loop-analysis</cmakeCxxFlags>
         <libssl>libssl.a</libssl>
         <libcrypto>libcrypto.a</libcrypto>
         <libquiche>libquiche.a</libquiche>
-        <extraLdflags>-arch x86_64 -platform_version,macos,${macosxDeploymentTarget},${macosxDeploymentTarget}</extraLdflags>
+        <extraLdflags>-arch x86_64 -platform_version,macos,${macosxDeploymentTarget},${macosxDeploymentTarget} -mmacosx-version-min=${macosxDeploymentTarget}</extraLdflags>
         <extraConfigureArg>--host=x86_64-apple-darwin</extraConfigureArg>
         <extraConfigureArg2>MACOSX_DEPLOYMENT_TARGET=${macosxDeploymentTarget}</extraConfigureArg2>
         <bundleNativeCode>META-INF/native/lib${jniLibName}.jnilib;osname=macos;osname=macosx;processor=x86_64</bundleNativeCode>
@@ -746,6 +747,7 @@
                                 <env key="QUICHE_BSSL_PATH" value="${boringsslHomeDir}/" />
                                 <!-- Lets enable frame-pointers so we can profile better -->
                                 <env key="RUSTFLAGS" value="-Cforce-frame-pointers=yes" />
+                                <env key="MACOSX_DEPLOYMENT_TARGET" value="${macosxDeploymentTarget}" />
                               </exec>
                             </then>
                           </elseif>
@@ -757,6 +759,7 @@
                               <env key="QUICHE_BSSL_PATH" value="${boringsslHomeDir}/" />
                               <!-- Lets enable frame-pointers so we can profile better -->
                               <env key="RUSTFLAGS" value="-Cforce-frame-pointers=yes" />
+                              <env key="MACOSX_DEPLOYMENT_TARGET" value="${macosxDeploymentTarget}" />
                             </exec>
                           </else>
                         </if>