Relevant BUGIDs:

Purpose of commit: cleanup

Commit summary:
---------------

Document icc specifics

diff --git a/configure.in b/configure.in
index f265b835dc4195cace9e5df6c4987fda25737ef4..ad1c9880f8bc0389fff6893173676489e75110c1 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -68,9 +68,10 @@ AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_LIBTOOL
 
-# Largefile support
+dnl Largefile support
 AC_SYS_LARGEFILE
 
+dnl icc claims to be GCC compatible, but use other flags for warnings
 if eval "test x$GCC = xyes -a $CC != icc"; then
   for flag in \
       -W \
@@ -90,6 +91,7 @@ if eval "test x$GCC = xyes -a $CC != icc"; then
     JAPHAR_GREP_CFLAGS($flag, [ CFLAGS="$CFLAGS $flag" ])
   done
 fi
+dnl icc has special warning flags
 if eval "test x$CC = xicc"; then
   for flag in \
       -Wall \
@@ -166,6 +168,8 @@ AM_CONDITIONAL([HAVE_VERSIONING],
 dnl
 dnl check for -fPIE/-pie support
 dnl
+dnl icc handles -fpie as -fp without error, so blacklist icc
+dnl
 AC_ARG_ENABLE(pie,AS_HELP_STRING([--disable-pie],
                         [Disable position-independent executeables (PIE)]),
         USE_PIE=$enableval, USE_PIE=yes)