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epics-base/configure/os/CONFIG.Common.linuxCommon
Dirk Zimoch b379c6f3a5
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fix problems with LD_LIBRARY_PATH when not installing to final location (e.g. when building RPMs)
2024-04-25 14:33:25 +02:00

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# CONFIG.Common.linuxCommon
#
# Definitions for linux target builds
# Sites may override these definitions in CONFIG_SITE.Common.linuxCommon
#-------------------------------------------------------
# Include definitions common to all Unix targets
include $(CONFIG)/os/CONFIG.Common.UnixCommon
OS_CLASS = Linux
# Define _GNU_SOURCE and _DEFAULT_SOURCE for maximum portability
POSIX_CPPFLAGS = -D_GNU_SOURCE -D_DEFAULT_SOURCE
POSIX_LDLIBS = -lpthread
OP_SYS_CPPFLAGS += -Dlinux
OP_SYS_LDLIBS += -lrt -ldl
# Use -rdynamic to maximize symbols available for stacktrace
OP_SYS_LDFLAGS += -rdynamic
# Linker flags for static & shared-library builds
STATIC_LDFLAGS_YES= -Wl,-Bstatic
STATIC_LDFLAGS_NO=
STATIC_LDLIBS_YES= -Wl,-Bdynamic
# Set runtime path for shared libraries if LINKER_USE_RPATH=YES
SHRLIBDIR_RPATH_LDFLAGS_YES = $(subst $(abspath $(LINKER_ORIGIN_ROOT)),$(FINAL_LOCATION),$(SHRLIB_DEPLIB_DIRS:%=-Wl,-rpath,%)) $(SHRLIB_DEPLIB_DIRS:%=-Wl,-rpath-link,%)
SHRLIBDIR_RPATH_LDFLAGS_ORIGIN = $(shell $(MAKERPATH) -O '\$$ORIGIN' -F $(FINAL_DIR) -R $(LINKER_ORIGIN_ROOT) $(SHRLIB_DEPLIB_DIRS))
SHRLIBDIR_LDFLAGS += \
$(SHRLIBDIR_RPATH_LDFLAGS_$(LINKER_USE_RPATH))
# Set runtime path for products if LINKER_USE_RPATH=YES
PRODDIR_RPATH_LDFLAGS_YES = $(subst $(abspath $(LINKER_ORIGIN_ROOT)),$(FINAL_LOCATION),$(PROD_DEPLIB_DIRS:%=-Wl,-rpath,%)) $(SHRLIB_DEPLIB_DIRS:%=-Wl,-rpath-link,%)
PRODDIR_RPATH_LDFLAGS_ORIGIN = $(shell $(MAKERPATH) -O '\$$ORIGIN' -F $(FINAL_DIR) -R $(LINKER_ORIGIN_ROOT) $(PROD_DEPLIB_DIRS))
PRODDIR_LDFLAGS += \
$(PRODDIR_RPATH_LDFLAGS_$(LINKER_USE_RPATH))
# Link libraries controlled by COMMANDLINE_LIBRARY
# The newest Linux versions only need readline, older ones need both
# readline and ncurses, and the oldest need readline and curses
LDLIBS_READLINE = -lreadline
LDLIBS_READLINE_NCURSES = -lreadline -lncurses
LDLIBS_READLINE_CURSES = -lreadline -lcurses
#--------------------------------------------------
# Allow site overrides
-include $(CONFIG)/os/CONFIG_SITE.Common.linuxCommon
-include $(CONFIG)/os/CONFIG_SITE.$(EPICS_HOST_ARCH).linuxCommon