iOS, support for armv7 and arm64 in configure.ac

This is the first patch in a serie, to get the iOS toolchain
to actually produce the right code for simulator as well as
iPhone (old models) and iPad (all models)

Changes:
--enable-ios-simulator removed no longer needed
--enable-64-bit is no longer needed for iOS builds

--host and --build no longer support arm-darwin.... but
instead support armv7-darwin and arm64-darwin

e.g.
--host=armv7-darvin...
--build=i386-darwain...

builds iOS for the simulator in 32 bit mode.
The works, the other modes (64bit simulator, native armv7 and arm64)
are still highly experimental

dist will be updated when all modes work.

Change-Id: I82477d8415a4d62803da0fc80da6890d5db542d5
Reviewed-on: https://gerrit.libreoffice.org/38576
Reviewed-by: jan iversen <jani@libreoffice.org>
Tested-by: jan iversen <jani@libreoffice.org>

1 files changed, 16 insertions, 31 deletions

diff --git a/configure.ac b/configure.ac
index 22dc6e90ba0e..1bdb40ce2c30 100644
--- a/configure.ac
+++ b/configure.ac
@@ -719,7 +719,7 @@ darwin*) # Mac OS X or iOS
     test_freetype=no
     test_fontconfig=no
     test_dbus=no
-    if test "$host_cpu" = "arm"; then
+    if test "$host_cpu" = "armv7" -o "$host_cpu" = "arm64"; then
         _os=iOS
         test_gtk=no
         test_cups=no
@@ -1373,7 +1373,7 @@ AC_ARG_ENABLE(ccache,
 AC_ARG_ENABLE(64-bit,
     AS_HELP_STRING([--enable-64-bit],
         [Build a 64-bit LibreOffice on platforms where the normal build is 32-bit.
-         At the moment meaningful only for iOS and Windows.]), ,)
+         At the moment meaningful only for Windows.]), ,)
 
 libo_FUZZ_ARG_ENABLE(online-update,
     AS_HELP_STRING([--enable-online-update],
@@ -1445,11 +1445,6 @@ AC_ARG_WITH(package-version,
         [Define the package version. Default is AC_PACKAGE_VERSION. Use only if you distribute an own build for macOS.]),
 ,)
 
-AC_ARG_ENABLE(ios-simulator,
-    AS_HELP_STRING([--enable-ios-simulator],
-        [Build for the iOS Simulator, not iOS device.]),
-,)
-
 libo_FUZZ_ARG_ENABLE(readonly-installset,
     AS_HELP_STRING([--enable-readonly-installset],
         [Prevents any attempts by LibreOffice to write into its installation. That means
@@ -2956,19 +2951,24 @@ dnl Check iOS SDK and compiler
 dnl ===================================================================
 
 if test $_os = iOS; then
-
-    if test "$enable_64_bit" = "" -o "$enable_64_bit" = "no"; then
-        :
-    else
+    if test "$host_cpu" = "arm64"; then
         BITNESS_OVERRIDE=64
     fi
 
     AC_MSG_CHECKING([what iOS SDK to use])
 
-    if test "$enable_ios_simulator" = yes; then
+    if test "$build_cpu" = "i386"; then
         platform=iPhoneSimulator
+        XCODE_ARCHS=i386
+        versionmin=-mios-simulator-version-min=9.3
+    elif test "$build_cpu" = "x86_64"; then
+        platform=iPhoneSimulator
+        XCODE_ARCHS=x86_64
+        versionmin=-mios-simulator-version-min=9.3
     else
         platform=iPhoneOS
+        XCODE_ARCHS=$host_cpu
+        versionmin=-miphoneos-version-min=9.3
     fi
 
     xcode_developer=`xcode-select -print-path`
@@ -2991,24 +2991,6 @@ if test $_os = iOS; then
 
     XCODEBUILD_SDK=`echo $platform | tr A-Z a-z`$ios_sdk
 
-    if test "$enable_ios_simulator" = yes; then
-        if test "$BITNESS_OVERRIDE" = 64; then
-            XCODE_ARCHS=x86_64
-            versionmin=-mios-simulator-version-min=9.3
-        else
-            XCODE_ARCHS=i386
-            versionmin=-mios-simulator-version-min=9.3
-        fi
-    else
-        platform=iPhoneOS
-        if test "$BITNESS_OVERRIDE" = 64; then
-            XCODE_ARCHS=arm64
-        else
-            XCODE_ARCHS=armv7
-        fi
-        versionmin=-miphoneos-version-min=9.3
-    fi
-
     # LTO is not really recommended for iOS builds,
     # the link time will be astronomical
     if test "$ENABLE_LTO" = TRUE; then
@@ -8792,7 +8774,7 @@ if test $_os != iOS -a $_os != Android -a "$enable_fuzzers" != "yes"; then
     AC_DEFINE(HAVE_FEATURE_NSS)
     ENABLE_NSS="TRUE"
     AC_DEFINE(ENABLE_NSS)
-else
+elif test $_os != iOS ; then
     with_tls=openssl
 fi
 AC_SUBST(ENABLE_NSS)
@@ -8819,6 +8801,9 @@ if test -n "$with_tls"; then
         AC_DEFINE(USE_TLS_NSS)
         TLS=NSS
         ;;
+    no)
+        AC_MSG_WARN([Skipping TLS/SSL])
+        ;;
     *)
         AC_MSG_ERROR([unsupported implementation $with_tls. Supported are:
 openssl - OpenSSL