configure.ac, configure:

Fix ICC compiler check too permissive (Closes: #72770)

Checking the full CC (containing PATH), might lead to incorrect
assumption to be detected as icc if the path contains *icc* string.

Using basename fixes the dectection in a proper way

Author: struktured

configure

@@ -1997,7 +1997,7 @@ then
   fi
 fi
 LLVM_PROF_ERR=no
-case $CC in
+case $(basename "$CC") in
   *clang*)
     # Any changes made here should be reflected in the GCC+Darwin case below
     PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
@@ -2277,7 +2277,7 @@ yes)
 
     # ICC doesn't recognize the option, but only emits a warning
     ## XXX does it emit an unused result warning and can it be disabled?
-    AS_CASE([$CC],
+    AS_CASE([$(basename $CC)],
             [*icc*], [ac_cv_disable_unused_result_warning=no]
             [PY_CHECK_CC_WARNING([disable], [unused-result])])
     AS_VAR_IF([ac_cv_disable_unused_result_warning], [yes],
@@ -2519,7 +2519,7 @@ yes)
     ;;
 esac
 
-case "$CC" in
+case $(basename "$CC") in
 *icc*)
     # ICC needs -fp-model strict or floats behave badly
     CFLAGS_NODIST="$CFLAGS_NODIST -fp-model strict"