[gcc r11-8422] IBM Z: Avoid bash-specific substitution in configure

[gcc r11-8422] IBM Z: Avoid bash-specific substitution in configure

[Marius Hillenbrand]

https://gcc.gnu.org/g:a16952ddf9515aa08b8c9c02a80725801131cc94

commit r11-8422-ga16952ddf9515aa08b8c9c02a80725801131cc94
Author: Marius Hillenbrand <mhillen@linux.ibm.com>
Date:   Wed May 12 13:59:19 2021 +0200

    IBM Z: Avoid bash-specific substitution in configure
    
    Fix a bootstrap error observed on NetBSD.
    
    2021-05-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
    
    gcc/ChangeLog:
    
            PR bootstrap/100552
            * configure.ac: Replace pattern substitution with call to sed.
            * configure: Regenerate.
    
    (cherry picked from commit 47abe2abf1210847629ebc271b1fc8c6d53f0d47)

Diff:
---
 gcc/configure    | 3 ++-
 gcc/configure.ac | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/gcc/configure b/gcc/configure
index e8ecb3b0297..ced77073037 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -32111,7 +32111,8 @@ case $target in
       # cross build. are target headers available?
       # carefully coerce the build-system compiler to use target headers
       saved_CXXFLAGS="$CXXFLAGS"
-      CROSS_TEST_CXXFLAGS="-nostdinc ${XGCC_FLAGS_FOR_TARGET//-B/-idirafter/}"
+      fixed_XGCC_FLAGS_FOR_TARGET=`echo "$XGCC_FLAGS_FOR_TARGET" | sed 's/-B/-idirafter/g'`
+      CROSS_TEST_CXXFLAGS="-nostdinc $fixed_XGCC_FLAGS_FOR_TARGET"
       CXXFLAGS="$CROSS_TEST_CXXFLAGS"
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 96a6f62b0d3..3d31bbdecad 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -7481,7 +7481,8 @@ case $target in
       # cross build. are target headers available?
       # carefully coerce the build-system compiler to use target headers
       saved_CXXFLAGS="$CXXFLAGS"
-      CROSS_TEST_CXXFLAGS="-nostdinc ${XGCC_FLAGS_FOR_TARGET//-B/-idirafter/}"
+      fixed_XGCC_FLAGS_FOR_TARGET=`echo "$XGCC_FLAGS_FOR_TARGET" | sed 's/-B/-idirafter/g'`
+      CROSS_TEST_CXXFLAGS="-nostdinc $fixed_XGCC_FLAGS_FOR_TARGET"
       CXXFLAGS="$CROSS_TEST_CXXFLAGS"
       AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <math.h>