diff -Naur free42-nologo-3.0.16.orig/gtk/build-intel-lib.sh free42-nologo-3.0.16/gtk/build-intel-lib.sh
--- free42-nologo-3.0.16.orig/gtk/build-intel-lib.sh	2022-10-29 17:03:11.000000000 +0200
+++ free42-nologo-3.0.16/gtk/build-intel-lib.sh	2022-11-06 22:09:42.384802729 +0100
@@ -10,13 +10,6 @@
   fi
 fi
 
-which gcc >/dev/null
-if [ $? -eq 0 ]; then
-  CC=gcc
-else
-  CC=cc
-fi
-
 # Hack to support FreeBSD; not 100% sure what this does, but it produces a
 # library that passes all tests.
 
@@ -64,8 +57,11 @@
     ;;
 esac
 
+patch -p0 <../intel-lib-custom-cc.patch
+
 cd LIBRARY
-$MK $OS_ARG CC=$CC CALL_BY_REF=1 GLOBAL_RND=1 GLOBAL_FLAGS=1 UNCHANGED_BINARY_FLAGS=0 $ENDIAN_ARG
+echo $MK $OS_ARG A=a CC=$CC CALL_BY_REF=1 GLOBAL_RND=1 GLOBAL_FLAGS=1 UNCHANGED_BINARY_FLAGS=0 $ENDIAN_ARG
+$MK $OS_ARG A=a CC=$CC CALL_BY_REF=1 GLOBAL_RND=1 GLOBAL_FLAGS=1 UNCHANGED_BINARY_FLAGS=0 $ENDIAN_ARG
 mv libbid.a ../../gcc111libbid.a
 cd ../..
 ( echo '#ifdef FREE42_FPTEST'; echo 'const char *readtest_lines[] = {'; tr -d '\r' < IntelRDFPMathLib20U1/TESTS/readtest.in | sed 's/^\(.*\)$/"\1",/'; echo '0 };'; echo '#endif' ) > readtest_lines.cc
diff -Naur free42-nologo-3.0.16.orig/gtk/intel-lib-custom-cc.patch free42-nologo-3.0.16/gtk/intel-lib-custom-cc.patch
--- free42-nologo-3.0.16.orig/gtk/intel-lib-custom-cc.patch	1970-01-01 01:00:00.000000000 +0100
+++ free42-nologo-3.0.16/gtk/intel-lib-custom-cc.patch	2022-11-06 22:18:35.428433045 +0100
@@ -0,0 +1,31 @@
+diff -Naur orig/LIBRARY/makefile.iml_head LIBRARY/makefile.iml_head
+--- orig/LIBRARY/makefile.iml_head	2011-07-12 17:26:21.000000000 +0200
++++ LIBRARY/makefile.iml_head	2022-11-06 22:18:17.048411637 +0100
+@@ -527,12 +527,8 @@
+ CC_TYPES      := gcc cl
+ INTEL_CC_LIST := icc icl
+ 
+-CC_NAME_INDEX := $(call GetIndex,$(CC_NAME),$(CC_NAME_LIST))
+-ifeq ($(CC_NAME_INDEX),)
+-    $(error "Unknown CC_NAME ($(CC_NAME)). Must be one of $(CC_NAME_LIST))
+-endif
+ 
+-CC_INDEX      := $(call GetIndex,$(CC_NAME),$(CC_NAME_LIST))
++CC_INDEX      := 3
+ CC_TYPE       := $(word $(CC_INDEX),$(CC_TYPE_LIST))
+ CC_TYPE_INDEX := $(call GetIndex,$(CC_TYPE),$(CC_TYPES))
+ 
+@@ -543,13 +539,6 @@
+ _CPP := $(CC_NAME) $(call CcNameSelect,-EP,-EP,-E -P,-EP)
+ _CC  := $(CC_NAME) $(call CcNameSelect,, -nologo,, -nologo)
+ 
+-ifeq ($(origin CC),default)
+-    CC := $(_CC)
+-endif
+-ifeq ($(origin CPP),default)
+-    CPP := $(_CPP)
+-endif
+-
+ CselCc         = $(call Cset,$1,$(call CcTypeSelect,$2,$3))
+ 
+ QOPT           := $(call CselCc, QOPT,        -, /Q      )