Improve configure's check for ICU presence.
Without ICU's header files, "configure --with-icu" would succeed anyway,
at least when using the non-pkgconfig-based setup. Then you got a bunch of
ugly failures at build. Add an explicit header check to tighten that up.
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/f4f41baf29c6835dca58e3aa22c56e9e7c7754de
Modified Files
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configure | 23 +++++++++++++++++------
configure.in | 17 +++++++++++------
2 files changed, 28 insertions(+), 12 deletions(-)