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authorIan Jackson <ian.jackson@eu.citrix.com>2017-09-25 16:41:03 +0100
committerIan Jackson <Ian.Jackson@eu.citrix.com>2018-04-26 16:29:52 +0100
commit8bbe05d77360b73c1834808023016a778ccf55ca (patch)
tree553bfe798e7a391371ffee3f53a637d8bfcddfd7
parenta7aaec148e27193cc6f7d33d2f18f81eed011a5c (diff)
configure: do_compiler: Dump some extra info under bash
This makes it much easier to find a particular thing in config.log. We have to use the ${BASH_LINENO[*]} syntax which is a syntax error in other shells, so test what shell we are running and use eval. The extra output is only printed if configure is run with bash. On systems where /bin/sh is not bash, it is necessary to say bash ./configure to get the extra debug info in the log. Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com> CC: Kent R. Spillner <kspillner@acm.org> CC: Janosch Frank <frankja@linux.vnet.ibm.com> CC: Thomas Huth <thuth@redhat.com> CC: Peter Maydell <peter.maydell@linaro.org> CC: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Thomas Huth <thuth@redhat.com>
-rwxr-xr-xconfigure5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure b/configure
index aa35aef14b..f9ba9eaae7 100755
--- a/configure
+++ b/configure
@@ -60,6 +60,11 @@ do_compiler() {
# is compiler binary to execute.
local compiler="$1"
shift
+ if test -n "$BASH_VERSION"; then eval '
+ echo >>config.log "
+funcs: ${FUNCNAME[*]}
+lines: ${BASH_LINENO[*]}"
+ '; fi
echo $compiler "$@" >> config.log
$compiler "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun