X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=configure;h=143dc92740aa36025870fdc255a5b0a76a6fee49;hb=c648cefb27984db60474ec1747cbfde83c2856d0;hp=0e396941ae208212690e00c1f7b3fb9f8dc91e86;hpb=de2b67f8d41e08caa56bf6540277f6561edb647f;p=musl

diff --git a/configure b/configure
index 0e396941..143dc927 100755
--- a/configure
+++ b/configure
@@ -391,10 +391,12 @@ tryflag CFLAGS_AUTO -Wa,--noexecstack
 # extensions enabled by default. This is bad for making static binaries.
 # We cheat and use i486 rather than i386 because i386 really does not
 # work anyway (issues with atomic ops).
+# Some build environments pass -march and -mtune options via CC, so
+# check both CC and CFLAGS.
 #
 if test "$ARCH" = "i386" ; then
-fnmatch '-march=*|*\ -march=*' "$CFLAGS" || tryldflag CFLAGS_AUTO -march=i486
-fnmatch '-mtune=*|*\ -mtune=*' "$CFLAGS" || tryldflag CFLAGS_AUTO -mtune=generic
+fnmatch '-march=*|*\ -march=*' "$CC $CFLAGS" || tryldflag CFLAGS_AUTO -march=i486
+fnmatch '-mtune=*|*\ -mtune=*' "$CC $CFLAGS" || tryldflag CFLAGS_AUTO -mtune=generic
 fi
 
 #
@@ -419,7 +421,7 @@ tryflag CFLAGS_AUTO -Wno-unknown-pragmas
 tryflag CFLAGS_AUTO -Wno-pointer-to-int-cast
 fi
 
-if test "x$visibility" == xauto ; then
+if test "x$visibility" = xauto ; then
 # This test checks toolchain support for several things:
 # - the -include option
 # - the attributes/pragmas used in vis.h
@@ -428,8 +430,8 @@ printf "checking whether global visibility preinclude works... "
 echo 'int (*fp)(void);' > "$tmpc"
 echo 'int foo(void) { }' >> "$tmpc"
 echo 'int bar(void) { fp = foo; return foo(); }' >> "$tmpc"
-if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I src/internal -I./include \
-  $CPPFLAGS $CFLAGS -DSHARED -fPIC -include vis.h \
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
+  -DSHARED -fPIC -I./src/internal -include vis.h \
   -nostdlib -shared -Wl,-Bsymbolic-functions \
   -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
 visibility=yes
@@ -439,7 +441,7 @@ fi
 printf "%s\n" "$visibility"
 fi
 
-if test "x$visibility" == xyes ; then
+if test "x$visibility" = xyes ; then
 CFLAGS_AUTO="$CFLAGS_AUTO -include vis.h"
 CFLAGS_AUTO="${CFLAGS_AUTO# }"
 fi
@@ -466,7 +468,7 @@ printf "using compiler runtime libraries: %s\n" "$LIBCC"
 
 # Figure out arch variants for archs with variants
 SUBARCH=
-t="$CFLAGS_C99FSE $CPPFLAGS $CFLAGS_AUTO $CFLAGS"
+t="$CFLAGS_C99FSE $CPPFLAGS $CFLAGS"
 
 if test "$ARCH" = "x86_64" ; then
 trycppif __ILP32__ "$t" && ARCH=x32