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Link libpq with libdl if the platform needs that.

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Since b0635bfda, libpq uses dlopen() and related functions.  On some
platforms these are not supplied by libc, but by a separate library
libdl, in which case we need to make sure that that dependency is
known to the linker.  Meson seems to take care of that automatically,
but the Makefile didn't cater for it.

Author: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/1328170.1752082586@sss.pgh.pa.us
Backpatch-through: 18
This commit is contained in:
Tom Lane
2025-07-09 14:21:00 -04:00
parent 53cd0b71ee
commit 4df477153a
1 changed files with 1 additions and 1 deletions
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src/interfaces/libpq/Makefile
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@ -87,7 +87,7 @@ endif
# that are built correctly for use in a shlib. # that are built correctly for use in a shlib.
SHLIB_LINK_INTERNAL = -lpgcommon_shlib -lpgport_shlib SHLIB_LINK_INTERNAL = -lpgcommon_shlib -lpgport_shlib
ifneq ($(PORTNAME), win32) ifneq ($(PORTNAME), win32)
SHLIB_LINK += $(filter -lcrypt -ldes -lcom_err -lcrypto -lk5crypto -lkrb5 -lgssapi_krb5 -lgss -lgssapi -lssl -lsocket -lnsl -lresolv -lintl -lm, $(LIBS)) $(LDAP_LIBS_FE) $(PTHREAD_LIBS) SHLIB_LINK += $(filter -lcrypt -ldes -lcom_err -lcrypto -lk5crypto -lkrb5 -lgssapi_krb5 -lgss -lgssapi -lssl -lsocket -lnsl -lresolv -lintl -ldl -lm, $(LIBS)) $(LDAP_LIBS_FE) $(PTHREAD_LIBS)
else else
SHLIB_LINK += $(filter -lcrypt -ldes -lcom_err -lcrypto -lk5crypto -lkrb5 -lgssapi32 -lssl -lsocket -lnsl -lresolv -lintl -lm $(PTHREAD_LIBS), $(LIBS)) $(LDAP_LIBS_FE) SHLIB_LINK += $(filter -lcrypt -ldes -lcom_err -lcrypto -lk5crypto -lkrb5 -lgssapi32 -lssl -lsocket -lnsl -lresolv -lintl -lm $(PTHREAD_LIBS), $(LIBS)) $(LDAP_LIBS_FE)
endif endif