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Only link with libdl on Linux

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Linux is (as far as I know) the only mainstream operating system that
requires linking with libdl for dlopen.  On BSD, libdl doesn't exist,
so on non-FreeBSD BSDs linking will currently fail.  On macOS, it's
apparently just a symlink to libSystem (macOS libc), presumably
present for compatibility with things that assume Linux.

So the right thing to do here is to only add -ldl on Linux, not to add
it for everything that isn't FreeBSD.

(cherry picked from commit c57ab17687)
This commit is contained in:
Alyssa Ross 2021-05-17 17:08:57 +00:00
parent e871146179
commit fa7cbf8222
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GPG key ID: F9DBED4859B271C0
2 changed files with 2 additions and 2 deletions
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2
src/libexpr/local.mk
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@ -9,7 +9,7 @@ libexpr_SOURCES := $(wildcard $(d)/*.cc) $(wildcard $(d)/primops/*.cc) $(d)/lexe
libexpr_LIBS = libutil libstore libexpr_LIBS = libutil libstore
libexpr_LDFLAGS = libexpr_LDFLAGS =
ifneq ($(OS), FreeBSD) ifeq ($(OS), Linux)
libexpr_LDFLAGS += -ldl libexpr_LDFLAGS += -ldl
endif endif

2
src/libstore/local.mk
View file

@ -9,7 +9,7 @@ libstore_SOURCES := $(wildcard $(d)/*.cc $(d)/builtins/*.cc)
libstore_LIBS = libutil libstore_LIBS = libutil
libstore_LDFLAGS = $(SQLITE3_LIBS) -lbz2 $(LIBCURL_LIBS) $(SODIUM_LIBS) -pthread libstore_LDFLAGS = $(SQLITE3_LIBS) -lbz2 $(LIBCURL_LIBS) $(SODIUM_LIBS) -pthread
ifneq ($(OS), FreeBSD) ifeq ($(OS), Linux)
libstore_LDFLAGS += -ldl libstore_LDFLAGS += -ldl
endif endif