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# HG changeset patch
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# User ihse
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# Date 1454642639 0
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# Fri Feb 05 03:23:59 2016 +0000
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# Node ID 61798573efe5a9efa67e268a52cf61263abb4396
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# Parent 842cc183c9f6d29270ff002238248978c08f0a66
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8148351, PR2842: Only display resolved symlink for compiler, do not change path
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Reviewed-by: erikj
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diff --git a/common/autoconf/toolchain.m4 b/common/autoconf/toolchain.m4
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--- openjdk///common/autoconf/toolchain.m4
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+++ openjdk///common/autoconf/toolchain.m4
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@@ -198,38 +198,22 @@
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fi
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BASIC_FIXUP_EXECUTABLE($1)
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TEST_COMPILER="[$]$1"
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- # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links
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- # to 'xlc' but it is crucial that we invoke the compiler with the right name!
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- if test "x$OPENJDK_BUILD_OS" != xaix; then
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- AC_MSG_CHECKING([resolved symbolic links for $1])
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- BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
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- AC_MSG_RESULT([$TEST_COMPILER])
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- fi
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- AC_MSG_CHECKING([if $1 is disguised ccache])
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- COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
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- if test "x$COMPILER_BASENAME" = "xccache"; then
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- AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
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- # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
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- # We want to control ccache invocation ourselves, so ignore this cc and try
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- # searching again.
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+ AC_MSG_CHECKING([resolved symbolic links for $1])
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+ SYMLINK_ORIGINAL="$TEST_COMPILER"
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+ BASIC_REMOVE_SYMBOLIC_LINKS(SYMLINK_ORIGINAL)
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+ if test "x$TEST_COMPILER" = "x$SYMLINK_ORIGINAL"; then
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+ AC_MSG_RESULT([no symlink])
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+ else
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+ AC_MSG_RESULT([$SYMLINK_ORIGINAL])
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- # Remove the path to the fake ccache cc from the PATH
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- RETRY_COMPILER_SAVED_PATH="$PATH"
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- COMPILER_DIRNAME=`$DIRNAME [$]$1`
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- PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
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-
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- # Try again looking for our compiler
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- AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
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- BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
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- PATH="$RETRY_COMPILER_SAVED_PATH"
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-
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- AC_MSG_CHECKING([for resolved symbolic links for $1])
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- BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
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- AC_MSG_RESULT([$PROPER_COMPILER_$1])
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- $1="$PROPER_COMPILER_$1"
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- else
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- AC_MSG_RESULT([no, keeping $1])
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+ # We can't handle ccache by gcc wrappers, since we need to know if we're
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+ # using ccache. Instead ccache usage must be controlled by a configure option.
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+ COMPILER_BASENAME=`$BASENAME "$SYMLINK_ORIGINAL"`
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+ if test "x$COMPILER_BASENAME" = "xccache"; then
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+ AC_MSG_NOTICE([Please use --enable-ccache instead of providing a wrapped compiler.])
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+ AC_MSG_ERROR([$TEST_COMPILER is a symbolic link to ccache. This is not supported.])
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+ fi
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fi
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TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
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