pitrou commented on code in PR #45858:
URL: https://github.com/apache/arrow/pull/45858#discussion_r2021072800
##########
ci/scripts/cpp_build.sh:
##########
@@ -118,12 +118,36 @@ if [ "${ARROW_USE_MESON:-OFF}" = "ON" ]; then
fi
}
+ ORIGINAL_CC="${CC}"
+ if [ -n "${CC}" ]; then
+ if [ "${ARROW_USE_CCACHE}" = "ON" ]; then
+ CC="ccache ${CC}"
+ else
+ if command -v sccache; then
+ CC="sccache ${CC}"
+ fi
+ fi
+ fi
+
+ ORIGINAL_CXX="${CXX}"
+ if [ -n "${CXX}" ]; then
+ if [ "${ARROW_USE_CCACHE}" = "ON" ]; then
+ CXX="ccache ${CXX}"
+ else
+ if command -v sccache; then
+ CXX="sccache ${CXX}"
+ fi
+ fi
+ fi
meson setup \
Review Comment:
> My knowledge of bash syntax is pretty limited
Same for me... Apparently "being exported" is an attribute that is being set
and inherited accross processes, though I don't see it specified clearly in the
[POSIX
doc](https://pubs.opengroup.org/onlinepubs/009695399/utilities/export.html). Is
it bash-specific? @kou
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