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Harden shared library with full RELRO and immediate binding #320

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Merged
jim-mlodgenski merged 1 commit into from
Aug 19, 2026
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Harden shared library with full RELRO and immediate binding #320

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7 changes: 7 additions & 0 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,13 @@ PROVE_TESTS = test/t/*.pl

PG_CPPFLAGS += -I./include

# Full RELRO + immediate binding: keep the GOT read-only after load and
# resolve all symbols at load time. GNU-ld/lld only, so guard to ELF/Linux
# (Apple ld rejects -z ...).
ifeq ($(shell uname -s),Linux)
PG_LDFLAGS += -Wl,-z,relro,-z,now
endif

PG_CONFIG ?= pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)
include $(PGXS)
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