extra/java11-openjdk: patching for pentium4 (see FS32#75)

1 files changed, 20 insertions, 1 deletions

diff --git a/extra/java11-openjdk/PKGBUILD b/extra/java11-openjdk/PKGBUILD
index 97c72063..b1d50745 100644
--- a/extra/java11-openjdk/PKGBUILD
+++ b/extra/java11-openjdk/PKGBUILD
@@ -5,8 +5,27 @@ fi
 
 # pentium4-specific
 if [ "${CARCH}" = "pentium4" ]; then
-  _JARCH=i386
+  _JARCH=x86
   _DOC_ARCH=x86
+
+  # make sure -no-plt is set also for pentium4
+  eval "$(
+    declare -f build | \
+      sed '
+         /CARCH/s/i686/pentium4/
+      '
+  )"
+
+  # force 4-byte stack alignment on SSE aptimized systems, see FS32#75
+  eval "$(
+    declare -f build | \
+      sed '
+        /unset CFLAGS/ i \
+          _CFLAGS="${_CFLAGS} -mincoming-stack-boundary=2" \
+          _CXXFLAGS="${_CXXFLAGS} -mincoming-stack-boundary=2"
+      '
+  )"
+
 fi
 
 _imgdir="${_imgdir//--/-${_JARCH}-}"