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authorAlyssa Ross <hi@alyssa.is>2021-05-17 17:08:57 +0000
committerAlyssa Ross <hi@alyssa.is>2021-06-01 08:05:21 +0000
commitc57ab1768767ca4f860ce5ca5faf54a7dba4969f (patch)
tree5d723362b0724b23154d3ba5c782ee47ed55aa57 /src/libexpr/local.mk
parente8f585be70b22c11db5356f886049f432699eac3 (diff)
Only link with libdl on Linux
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.
Diffstat (limited to 'src/libexpr/local.mk')
-rw-r--r--src/libexpr/local.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libexpr/local.mk b/src/libexpr/local.mk
index 26c53d301..c40abfb78 100644
--- a/src/libexpr/local.mk
+++ b/src/libexpr/local.mk
@@ -16,7 +16,7 @@ libexpr_CXXFLAGS += -I src/libutil -I src/libstore -I src/libfetchers -I src/lib
libexpr_LIBS = libutil libstore libfetchers
libexpr_LDFLAGS = -lboost_context
-ifneq ($(OS), FreeBSD)
+ifeq ($(OS), Linux)
libexpr_LDFLAGS += -ldl
endif