How to use Makefile - pgxs without gcc -O2 ?
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hi,
is there any hint to tell pgxs to compile with gcc -O0 (CFLAGS) ?
regards
geohas
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geohas <lists@hasibether.at> writes:
is there any hint to tell pgxs to compile with gcc -O0 (CFLAGS) ?
I tend to use
make PROFILE=-O0
which relies on knowing that PG's make rules append $(PROFILE) to CFLAGS.
Alternatively you could just override CFLAGS:
make CFLAGS="whatever"
but this requires knowing exactly what configure put into CFLAGS so
that you don't remove any flags that you still want.
regards, tom lane
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Thank you Tom!
make CFLAGS=-O0 was it.
now gdb doesn't print <Value optimized out>.
regards
On 08/07/14 17:45, Tom Lane wrote:
geohas <lists@hasibether.at> writes:
is there any hint to tell pgxs to compile with gcc -O0 (CFLAGS) ?
I tend to use
make PROFILE=-O0
which relies on knowing that PG's make rules append $(PROFILE) to CFLAGS.
Alternatively you could just override CFLAGS:make CFLAGS="whatever"
but this requires knowing exactly what configure put into CFLAGS so
that you don't remove any flags that you still want.regards, tom lane
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On 07/08/2014 17:53, geohas wrote:
make CFLAGS=-O0 was it.
now gdb doesn't print <Value optimized out>.
If you're using GCC 4.8 or later, consider using it with -Og for that
kind of builds.
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