diff -Nuar a/mkspecs/common/g++-base.conf b/mkspecs/common/g++-base.conf
--- a/mkspecs/common/g++-base.conf	2021-11-15 00:00:01.000000000 +0200
+++ b/mkspecs/common/g++-base.conf	2021-11-15 22:49:20.969099951 +0200
@@ -10,15 +10,17 @@
 
 QMAKE_COMPILER          = gcc
 
-QMAKE_CC                = $${CROSS_COMPILE}gcc
+QMAKE_CC                = PISILINUX_CC
 
-QMAKE_LINK_C            = $$QMAKE_CC
-QMAKE_LINK_C_SHLIB      = $$QMAKE_CC
+QMAKE_LINK_C            = PISILINUX_CC
+QMAKE_LINK_C_SHLIB      = PISILINUX_CC
 
-QMAKE_CXX               = $${CROSS_COMPILE}g++
+QMAKE_CXX               = PISILINUX_CXX
 
-QMAKE_LINK              = $$QMAKE_CXX
-QMAKE_LINK_SHLIB        = $$QMAKE_CXX
+QMAKE_LINK              = PISILINUX_CXX
+QMAKE_LINK_SHLIB        = PISILINUX_CXX
+
+QMAKE_LFLAGS_RELEASE    += PISILINUX_LDFLAGS
 
 QMAKE_PCH_OUTPUT_EXT    = .gch
 
diff -Nuar a/mkspecs/common/g++-unix.conf b/mkspecs/common/g++-unix.conf
--- a/mkspecs/common/g++-unix.conf	2021-11-15 00:00:01.000000000 +0200
+++ b/mkspecs/common/g++-unix.conf	2021-11-15 22:51:51.058450056 +0200
@@ -10,5 +10,5 @@
 
 include(g++-base.conf)
 
-QMAKE_LFLAGS_RELEASE   += -Wl,-O1
+QMAKE_LFLAGS_RELEASE   += PISILINUX_LDFLAGS
 QMAKE_LFLAGS_NOUNDEF   += -Wl,--no-undefined
diff -Nuar a/mkspecs/common/linux.conf b/mkspecs/common/linux.conf
--- a/mkspecs/common/linux.conf	2021-11-15 00:00:01.000000000 +0200
+++ b/mkspecs/common/linux.conf	2021-11-15 22:52:35.802019704 +0200
@@ -48,5 +48,5 @@
 QMAKE_NM                = nm -P
 QMAKE_RANLIB            =
 
-QMAKE_STRIP             = strip
+QMAKE_STRIP             =
 QMAKE_STRIPFLAGS_LIB   += --strip-unneeded