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| author | midipix <writeonce@midipix.org> | 2018-11-25 05:05:44 -0500 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2018-11-25 09:18:58 -0500 |
| commit | 5a4bd837244257bd9c1a9cc1633f6dc2c4f03fc7 (patch) | |
| tree | 0ca8fbe5b7c98549617bda05934e1ac652483611 /sysinfo | |
| parent | 81304711ca79b93574845876f91df9342a776fd4 (diff) | |
| download | u16ports-5a4bd837244257bd9c1a9cc1633f6dc2c4f03fc7.tar.bz2 u16ports-5a4bd837244257bd9c1a9cc1633f6dc2c4f03fc7.tar.xz | |
build system: PE, ELF: defined DSO_REF_VER, DSO_REF_SONAME, DSO_REF_SOLINK.
These definitions come in handy when a project generates alongside
its ``primary shared library'' one or more ``extension libraries''
that depend on it. When the rules for generating extension
libraries use the $^ directive, the above dependency must
be declared in a target-aware manner.
In most cases, one would want to express this dependency by way
of $(DSO_REF_SONAME), thereby pulling in lib/libfoo.so.$(MAJOR)
on ELF targets, lib/libfoo.$(MAJOR).lib.a on midipix targets,
and lib/libfoo.$(MAJOR).dll.a on win32 targets.
Diffstat (limited to 'sysinfo')
| -rw-r--r-- | sysinfo/os/elf.mk | 4 | ||||
| -rw-r--r-- | sysinfo/os/pe.mk | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sysinfo/os/elf.mk b/sysinfo/os/elf.mk index 5a3940f..6878c6a 100644 --- a/sysinfo/os/elf.mk +++ b/sysinfo/os/elf.mk @@ -1,2 +1,6 @@ +DSO_REF_VER = $(SHARED_LIB) +DSO_REF_SONAME = $(SHARED_SONAME) +DSO_REF_SOLINK = $(SHARED_SOLINK) + LDFLAGS_SHARED += -Wl,-soname LDFLAGS_SHARED += -Wl,$(DSO_SONAME) diff --git a/sysinfo/os/pe.mk b/sysinfo/os/pe.mk index e8e1759..c3c5ba0 100644 --- a/sysinfo/os/pe.mk +++ b/sysinfo/os/pe.mk @@ -1,3 +1,7 @@ +DSO_REF_VER = $(IMPLIB_VER) +DSO_REF_SONAME = $(IMPLIB_SONAME) +DSO_REF_SOLINK = $(IMPLIB_SOLINK) + LDFLAGS_IMPLIB += -Wl,--output-def LDFLAGS_IMPLIB += -Wl,$(IMPLIB_DEF) LDFLAGS_SHARED += $(LDFLAGS_IMPLIB) |