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From ababc7b1db8c406910766e11cdd04cbef7a706c9 Mon Sep 17 00:00:00 2001
From: Changqing Li <changqing.li@windriver.com>
Date: Mon, 22 Oct 2018 15:19:51 +0800
Subject: [PATCH] python3: use cc_basename to replace CC for checking compiler
When working path contains "clang"/"gcc"/"icc", it might be part of $CC
because of the "--sysroot" parameter. That could cause judgement error
about clang/gcc/icc compilers. e.g.
When "icc" is containded in working path, below errors are reported when
compiling python3:
x86_64-wrs-linux-gcc: error: strict: No such file or directory
x86_64-wrs-linux-gcc: error: unrecognized command line option '-fp-model'
Here use cc_basename to replace CC for checking compiler to avoid such
kind of issue.
Upstream-Status: Submitted [https://github.com/python/cpython/pull/96399]
Signed-off-by: Li Zhou <li.zhou@windriver.com>
patch originally from Li Zhou, I just rework it to new version
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
configure.ac | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/configure.ac b/configure.ac
index 384718d..5a1d58b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,6 +137,7 @@ AC_CONFIG_HEADERS([pyconfig.h])
AC_CANONICAL_HOST
AC_SUBST([build])
AC_SUBST([host])
+LT_INIT
AS_VAR_IF([cross_compiling], [maybe],
[AC_MSG_ERROR([Cross compiling required --host=HOST-TUPLE and --build=ARCH])]
@@ -896,7 +897,7 @@ AC_SUBST([CXX])
preset_cxx="$CXX"
if test -z "$CXX"
then
- case "$CC" in
+ case "$cc_basename" in
gcc) AC_PATH_TOOL([CXX], [g++], [g++], [notfound]) ;;
cc) AC_PATH_TOOL([CXX], [c++], [c++], [notfound]) ;;
clang|*/clang) AC_PATH_TOOL([CXX], [clang++], [clang++], [notfound]) ;;
@@ -1328,7 +1329,7 @@ rmdir CaseSensitiveTestDir
case $ac_sys_system in
hp*|HP*)
- case $CC in
+ case $cc_basename in
cc|*/cc) CC="$CC -Ae";;
esac;;
esac
@@ -1854,7 +1855,7 @@ esac
],
[AC_MSG_RESULT([no])])
if test "$Py_LTO" = 'true' ; then
- case $CC in
+ case $cc_basename in
*clang*)
LDFLAGS_NOLTO="-fno-lto"
dnl Clang linker requires -flto in order to link objects with LTO information.
@@ -1983,7 +1984,7 @@ then
fi
fi
LLVM_PROF_ERR=no
-case $CC in
+case $cc_basename in
*clang*)
# Any changes made here should be reflected in the GCC+Darwin case below
PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
@@ -2147,7 +2148,7 @@ AC_MSG_RESULT([$BOLT_APPLY_FLAGS])
# compiler and platform. BASECFLAGS tweaks need to be made even if the
# user set OPT.
-case $CC in
+case $cc_basename in
*clang*)
cc_is_clang=1
;;
@@ -2419,7 +2420,7 @@ yes)
# ICC doesn't recognize the option, but only emits a warning
## XXX does it emit an unused result warning and can it be disabled?
- AS_CASE([$CC],
+ AS_CASE([$cc_basename],
[*icc*], [ac_cv_disable_unused_result_warning=no]
[PY_CHECK_CC_WARNING([disable], [unused-result])])
AS_VAR_IF([ac_cv_disable_unused_result_warning], [yes],
@@ -2665,7 +2666,7 @@ yes)
;;
esac
-case "$CC" in
+case "$cc_basename" in
*mpicc*)
CFLAGS_NODIST="$CFLAGS_NODIST"
;;
@@ -3482,7 +3483,7 @@ then
then
LINKFORSHARED="-Wl,--export-dynamic"
fi;;
- SunOS/5*) case $CC in
+ SunOS/5*) case $cc_basename in
*gcc*)
if $CC -Xlinker --help 2>&1 | grep export-dynamic >/dev/null
then
@@ -6803,7 +6804,7 @@ if test "$ac_cv_gcc_asm_for_x87" = yes; then
# Some versions of gcc miscompile inline asm:
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
# http://gcc.gnu.org/ml/gcc/2010-11/msg00366.html
- case $CC in
+ case $cc_basename in
*gcc*)
AC_MSG_CHECKING([for gcc ipa-pure-const bug])
saved_cflags="$CFLAGS"
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