If qmake ports use QMAKE_CFLAGS_OPTIMIZE_FULL and/or the macro
"optimize_full" they will always build with -O3.
I saw this in x11/qt5/{qtmultimedia,qtlocation}.
OK so zap -O3 from our qmake-qt5?
RS
Index: Makefile
===================================================================
RCS file: /cvs/ports/x11/qt5/qtbase/Makefile,v
retrieving revision 1.24
diff -u -p -u -p -r1.24 Makefile
--- Makefile 30 Nov 2018 15:24:09 -0000 1.24
+++ Makefile 4 Jan 2019 23:55:14 -0000
@@ -17,7 +17,7 @@ PKGNAME-psql = qt5-postgresql-${VERSION
PKGNAME-sqlite2 = qt5-sqlite2-${VERSION}
PKGNAME-tds = qt5-tds-${VERSION}
-REVISION-main = 1
+REVISION-main = 2
PKG_ARCH-global = *
PKG_ARCH-examples = *
Index: patches/patch-mkspecs_common_gcc-base_conf
===================================================================
RCS file: patches/patch-mkspecs_common_gcc-base_conf
diff -N patches/patch-mkspecs_common_gcc-base_conf
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-mkspecs_common_gcc-base_conf 4 Jan 2019 23:55:14 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: mkspecs/common/gcc-base.conf
+--- mkspecs/common/gcc-base.conf.orig
++++ mkspecs/common/gcc-base.conf
+@@ -32,7 +32,7 @@
+ #
+
+ QMAKE_CFLAGS_OPTIMIZE = -O2
+-QMAKE_CFLAGS_OPTIMIZE_FULL = -O3
++QMAKE_CFLAGS_OPTIMIZE_FULL = -O2
+ QMAKE_CFLAGS_OPTIMIZE_DEBUG = -Og
+ QMAKE_CFLAGS_OPTIMIZE_SIZE = -Os
+
