diff -Nuar a/mkspecs/common/g++-base.conf b/mkspecs/common/g++-base.conf
--- a/mkspecs/common/g++-base.conf	2019-12-07 09:27:07.000000000 +0300
+++ b/mkspecs/common/g++-base.conf	2019-12-22 16:09:06.575953931 +0300
@@ -10,15 +10,19 @@
 
 QMAKE_COMPILER          = gcc
 
-QMAKE_CC                = $${CROSS_COMPILE}gcc
+QMAKE_CC                = PISILINUX_CC
 
 QMAKE_LINK_C            = $$QMAKE_CC
 QMAKE_LINK_C_SHLIB      = $$QMAKE_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_LINK_C       = PISILINUX_CC
+QMAKE_LINK_C_SHLIB = PISILINUX_CC
+
+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	2019-12-07 09:27:07.000000000 +0300
+++ b/mkspecs/common/g++-unix.conf	2019-12-22 16:09:48.917950875 +0300
@@ -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	2019-12-07 09:27:07.000000000 +0300
+++ b/mkspecs/common/linux.conf	2019-12-22 16:10:34.108947615 +0300
@@ -48,5 +48,5 @@
 QMAKE_NM                = nm -P
 QMAKE_RANLIB            =
 
-QMAKE_STRIP             = strip
+QMAKE_STRIP             =
 QMAKE_STRIPFLAGS_LIB   += --strip-unneeded