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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-11-24 00:10:00 +0100 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-11-24 00:10:00 +0100 |
| commit | c1f3a1a89b717e73c2a8c2315067c495e246457c (patch) | |
| tree | fdbee1ce96a53c5ad99a223129d444149c680e18 | |
| parent | 5a1114ecdbbd115ec8aeb1a98326d793ff3e8058 (diff) | |
Disallow undefined symbols in dynamic libraries by default
This encourages that each library declares its own dependencies
properly.
| -rw-r--r-- | Makefile.lib | 14 | ||||
| -rw-r--r-- | src/libmain/Makefile.new | 2 |
2 files changed, 12 insertions, 4 deletions
diff --git a/Makefile.lib b/Makefile.lib index 612550e92..f5872c88b 100644 --- a/Makefile.lib +++ b/Makefile.lib @@ -27,6 +27,7 @@ QUIET = @ ifeq ($(BUILD_SHARED_LIBS), 1) GLOBAL_CFLAGS += -fPIC GLOBAL_CXXFLAGS += -fPIC + GLOBAL_LDFLAGS += -Wl,--no-copy-dt-needed-entries endif @@ -60,9 +61,13 @@ define LIBS_template = ifeq ($(BUILD_SHARED_LIBS), 1) + ifndef $(1)_ALLOW_UNDEFINED + $(1)_LDFLAGS += -z defs + endif + _lib := $$(_d)/$(1).so $$(_lib): $$($(1)_OBJS) $$(_libs) - $(QUIET) $(CC) -o $$@ -shared -Wl,--no-copy-dt-needed-entries $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) + $(QUIET) $(CXX) -o $$@ -shared $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) $(1)_LDFLAGS_USE += -L$$(_d) -Wl,-rpath,$$(abspath $$(_d)) -l$$(patsubst lib%,%,$$(strip $(1))) @@ -74,7 +79,7 @@ define LIBS_template = $$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) install -d $$($(1)_INSTALL_DIR) - $(QUIET) $(CC) -o $$@ -shared -Wl,--no-copy-dt-needed-entries $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) + $(QUIET) $(CXX) -o $$@ -shared $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) $(1)_LDFLAGS_USE_INSTALLED += -L$$($(1)_INSTALL_DIR) -Wl,-rpath,$$($(1)_INSTALL_DIR) -l$$(patsubst lib%,%,$$(strip $(1))) @@ -92,6 +97,7 @@ define LIBS_template = $(1)_LDFLAGS_USE += $$($(1)_LDFLAGS_PROPAGATED) $(1)_LDFLAGS_USE_INSTALLED += $$($(1)_LDFLAGS_PROPAGATED) + $(1)_NAME := $$(_lib) # Propagate CXXFLAGS to the individual object files. @@ -118,7 +124,7 @@ define PROGRAMS_template = $(1)_PATH := $$(_d)/$(1) $$($(1)_PATH): $$($(1)_OBJS) $$(_libs) - $(QUIET) $(CXX) -o $$@ -Wl,--no-copy-dt-needed-entries $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) + $(QUIET) $(CXX) -o $$@ $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) $(1)_INSTALL_PATH := $$(bindir)/$(1) @@ -130,7 +136,7 @@ define PROGRAMS_template = $$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) install -d $$(dir $$($(1)_INSTALL_PATH)) - $(QUIET) $(CXX) -o $$($(1)_INSTALL_PATH) -Wl,--no-copy-dt-needed-entries $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) + $(QUIET) $(CXX) -o $$($(1)_INSTALL_PATH) $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) else diff --git a/src/libmain/Makefile.new b/src/libmain/Makefile.new index 6ca49d583..2ead94ca6 100644 --- a/src/libmain/Makefile.new +++ b/src/libmain/Makefile.new @@ -5,3 +5,5 @@ libmain_DIR := $(d) libmain_SOURCES = shared.cc stack.cc libmain_LIBS = libstore libutil libformat + +libmain_ALLOW_UNDEFINED = 1 |