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* [PATCH] Generate .lib files on PE platforms
@ 2017-05-03 11:27 Ulf Hermann
  0 siblings, 0 replies; only message in thread
From: Ulf Hermann @ 2017-05-03 11:27 UTC (permalink / raw)
  To: elfutils-devel

MSVC needs them to link against .dll files. gcc can do without, so we
only need to do this when actually installing the files. There is a way
to generate .lib files with dlltool, but most of the time MSVC won't
cleanly link against the result, so we rather use lib.exe here.

Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
---
 config/ChangeLog   |  5 +++++
 config/eu.am       | 12 ++++++++++++
 libasm/ChangeLog   |  5 +++++
 libasm/Makefile.am | 28 +++++++++++++++++++++++++---
 libdw/ChangeLog    |  5 +++++
 libdw/Makefile.am  | 28 +++++++++++++++++++++++++---
 libelf/ChangeLog   |  5 +++++
 libelf/Makefile.am | 27 ++++++++++++++++++++++++---
 8 files changed, 106 insertions(+), 9 deletions(-)

diff --git a/config/ChangeLog b/config/ChangeLog
index 0f240ea..34414a3 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-03  Ulf Hermann  <ulf.hermann@qt.io>
+
+	* eu.am: If we're building PE binaries add a rule to build the
+	frontend .lib files using Microsofts lib.exe.
+
 2017-04-28  Ulf Hermann  <ulf.hermann@qt.io>
 
 	* eu.am: Disable textrel_check if we're not building ELF files.
diff --git a/config/eu.am b/config/eu.am
index e692341..9603668 100644
--- a/config/eu.am
+++ b/config/eu.am
@@ -113,5 +113,17 @@ else
 textrel_check =
 endif
 
+if NATIVE_PE
+%.lib: %.def
+	case '$(host_cpu)' in \
+	i?86) \
+	  lib /machine:x86 /def:$< ;;\
+	x86_64) \
+	  lib /machine:x64 /def:$< ;;\
+	arm) \
+	  lib /machine:arm /def:$< ;;\
+	esac;
+endif
+
 print-%:
 	@echo $*=$($*)
diff --git a/libasm/ChangeLog b/libasm/ChangeLog
index 3483e4c..0155d48 100644
--- a/libasm/ChangeLog
+++ b/libasm/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-03  Ulf Hermann  <ulf.hermann@qt.io>
+
+	* Makefile.am: Output asm.def when linking asm.dll and create asm.lib
+	when installing.
+
 2017-04-27  Ulf Hermann  <ulf.hermann@qt.io>
 
 	* asm_end.c (binary_end): Fix nesting of braces.
diff --git a/libasm/Makefile.am b/libasm/Makefile.am
index c6038aa..d486db9 100644
--- a/libasm/Makefile.am
+++ b/libasm/Makefile.am
@@ -61,23 +61,45 @@ endif
 if USE_GNULIB
 libasm_so_LDLIBS += ../libgnu/libgnu.a
 endif
+if NATIVE_PE
+GEN_DEF = -Wl,--output-def=$(libasm_BARE:.dll=.def)
+CLEANFILES += $(libasm_BARE:.dll=.def)
+else
+GEN_DEF =
+endif
 
 $(libasm_BARE): libasm_pic.a libasm.map
 	$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ -Wl,--whole-archive,$<,--no-whole-archive \
 		-Wl,--version-script,$(srcdir)/libasm.map,--no-undefined \
-		-Wl,--soname,$(libasm_SONAME) \
+		-Wl,--soname,$(libasm_SONAME) $(GEN_DEF) \
 		../libebl/libebl.a ../libelf/$(libelf_BARE) ../libdw/$(libdw_BARE) \
 		$(libasm_so_LDLIBS)
 	@$(textrel_check)
 	$(AM_V_at)ln -fs $@ $(libasm_SONAME)
 
-install: install-am $(libasm_BARE)
+if NATIVE_PE
+install-lib: $(libasm_BARE:.dll=.lib)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	$(INSTALL_PROGRAM) $< $(DESTDIR)$(libdir)/$(libasm_VERSIONED:.dll=.lib)
+	ln -fs $(libasm_VERSIONED:.dll=.lib) $(DESTDIR)$(libdir)/$(libasm_SONAME:.dll=.lib)
+	ln -fs $(libasm_SONAME:.dll=.lib) $(DESTDIR)$(libdir)/$(libasm_BARE:.dll=.lib)
+uninstall-lib:
+	rm -f $(DESTDIR)$(libdir)/$(libasm_VERSIONED:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libasm_SONAME:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libasm_BARE:.dll=.lib)
+CLEANFILES += $(libasm_BARE:.dll=.lib) $(libasm_BARE:.dll=.exp)
+else
+install-lib:
+uninstall-lib:
+endif
+
+install: install-am install-lib $(libasm_BARE)
 	$(mkinstalldirs) $(DESTDIR)$(libdir)
 	$(INSTALL_PROGRAM) $(libasm_BARE) $(DESTDIR)$(libdir)/$(libasm_VERSIONED)
 	ln -fs $(libasm_VERSIONED) $(DESTDIR)$(libdir)/$(libasm_SONAME)
 	ln -fs $(libasm_SONAME) $(DESTDIR)$(libdir)/$(libasm_BARE)
 
-uninstall: uninstall-am
+uninstall: uninstall-am uninstall-lib
 	rm -f $(DESTDIR)$(libdir)/$(libasm_VERSIONED)
 	rm -f $(DESTDIR)$(libdir)/$(libasm_SONAME)
 	rm -f $(DESTDIR)$(libdir)/$(libasm_BARE)
diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index 615647b..0d94ad5 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-03  Ulf Hermann  <ulf.hermann@qt.io>
+
+	* Makefile.am: Output dw.def when linking dw.dll and create dw.lib
+	when installing.
+
 2017-02-28  Ulf Hermann  <ulf.hermann@qt.io>
 
 	* Makefile.am: Use the predefined common library names rather than
diff --git a/libdw/Makefile.am b/libdw/Makefile.am
index aeb84dc..c6d37e9 100644
--- a/libdw/Makefile.am
+++ b/libdw/Makefile.am
@@ -103,6 +103,12 @@ PKG_RPATH = -Wl,--enable-new-dtags,-rpath,$(pkglibdir)
 else
 PKG_RPATH =
 endif
+if NATIVE_PE
+GEN_DEF = -Wl,--output-def=$(libdw_BARE:.dll=.def)
+CLEANFILES += $(libdw_BARE:.dll=.def)
+else
+GEN_DEF =
+endif
 
 libdw_pic_a_SOURCES =
 am_libdw_pic_a_OBJECTS = $(libdw_a_SOURCES:.c=.os)
@@ -119,19 +125,35 @@ $(libdw_BARE): $(srcdir)/libdw.map libdw_pic.a ../libdwelf/libdwelf_pic.a \
 # The rpath is necessary for libebl because its $ORIGIN use will
 # not fly in a setuid executable that links in libdw.
 	$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ -Wl,--soname,$(libdw_SONAME) \
-		-Wl,--version-script,$<,--no-undefined $(PKG_RPATH) \
+		-Wl,--version-script,$<,--no-undefined $(PKG_RPATH) $(GEN_DEF) \
 		-Wl,--whole-archive $(filter-out $<,$^) -Wl,--no-whole-archive\
 		-ldl -lz $(intl_LDADD) $(zip_LIBS) $(libgnu)
 	@$(textrel_check)
 	$(AM_V_at)ln -fs $@ $(libdw_SONAME)
 
-install: install-am $(libdw_BARE)
+if NATIVE_PE
+install-lib: $(libdw_BARE:.dll=.lib)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	$(INSTALL_PROGRAM) $< $(DESTDIR)$(libdir)/$(libdw_VERSIONED:.dll=.lib)
+	ln -fs $(libdw_VERSIONED:.dll=.lib) $(DESTDIR)$(libdir)/$(libdw_SONAME:.dll=.lib)
+	ln -fs $(libdw_SONAME:.dll=.lib) $(DESTDIR)$(libdir)/$(libdw_BARE:.dll=.lib)
+uninstall-lib:
+	rm -f $(DESTDIR)$(libdir)/$(libdw_VERSIONED:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libdw_SONAME:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libdw_BARE:.dll=.lib)
+CLEANFILES += $(libdw_BARE:.dll=.lib) $(libdw_BARE:.dll=.exp)
+else
+install-lib:
+uninstall-lib:
+endif
+
+install: install-am install-lib $(libdw_BARE)
 	$(mkinstalldirs) $(DESTDIR)$(libdir)
 	$(INSTALL_PROGRAM) $(libdw_BARE) $(DESTDIR)$(libdir)/$(libdw_VERSIONED)
 	ln -fs $(libdw_VERSIONED) $(DESTDIR)$(libdir)/$(libdw_SONAME)
 	ln -fs $(libdw_SONAME) $(DESTDIR)$(libdir)/$(libdw_BARE)
 
-uninstall: uninstall-am
+uninstall: uninstall-am uninstall-lib
 	rm -f $(DESTDIR)$(libdir)/$(libdw_VERSIONED)
 	rm -f $(DESTDIR)$(libdir)/$(libdw_SONAME)
 	rm -f $(DESTDIR)$(libdir)/$(libdw_BARE)
diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index e947e19..8dfa2b7 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-03  Ulf Hermann  <ulf.hermann@qt.io>
+
+	* Makefile.am: Output elf.def when linking elf.dll and create elf.lib
+	when installing.
+
 2017-02-28  Ulf Hermann  <ulf.hermann@qt.io>
 
 	* Makefile.am: Use the predefined common library names rather than
diff --git a/libelf/Makefile.am b/libelf/Makefile.am
index cc31898..3286dda 100644
--- a/libelf/Makefile.am
+++ b/libelf/Makefile.am
@@ -101,21 +101,42 @@ endif
 if USE_GNULIB
 libelf_so_LDLIBS += ../libgnu/libgnu.a
 endif
+if NATIVE_PE
+GEN_DEF = -Wl,--output-def=$(libelf_BARE:.dll=.def)
+CLEANFILES += $(libelf_BARE:.dll=.def)
+else
+GEN_DEF =
+endif
 
 $(libelf_BARE): libelf_pic.a libelf.map
 	$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ -Wl,--whole-archive,$<,--no-whole-archive \
 		-Wl,--version-script,$(srcdir)/libelf.map,--no-undefined \
-		-Wl,--soname,$(libelf_SONAME) $(libelf_so_LDLIBS)
+		-Wl,--soname,$(libelf_SONAME) $(GEN_DEF) $(libelf_so_LDLIBS)
 	@$(textrel_check)
 	$(AM_V_at)ln -fs $@ $(libelf_SONAME)
 
-install: install-am $(libelf_BARE)
+if NATIVE_PE
+install-lib: $(libelf_BARE:.dll=.lib)
 	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	$(INSTALL_PROGRAM) $< $(DESTDIR)$(libdir)/$(libelf_VERSIONED:.dll=.lib)
+	ln -fs $(libelf_VERSIONED:.dll=.lib) $(DESTDIR)$(libdir)/$(libelf_SONAME:.dll=.lib)
+	ln -fs $(libelf_SONAME:.dll=.lib) $(DESTDIR)$(libdir)/$(libelf_BARE:.dll=.lib)
+uninstall-lib:
+	rm -f $(DESTDIR)$(libdir)/$(libelf_VERSIONED:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libelf_SONAME:.dll=.lib)
+	rm -f $(DESTDIR)$(libdir)/$(libelf_BARE:.dll=.lib)
+CLEANFILES += $(libelf_BARE:.dll=.lib) $(libelf_BARE:.dll=.exp)
+else
+install-lib:
+uninstall-lib:
+endif
+
+install: install-am install-lib $(libelf_BARE)
 	$(INSTALL_PROGRAM) $(libelf_BARE) $(DESTDIR)$(libdir)/$(libelf_VERSIONED)
 	ln -fs $(libelf_VERSIONED) $(DESTDIR)$(libdir)/$(libelf_SONAME)
 	ln -fs $(libelf_SONAME) $(DESTDIR)$(libdir)/$(libelf_BARE)
 
-uninstall: uninstall-am
+uninstall: uninstall-am uninstall-lib
 	rm -f $(DESTDIR)$(libdir)/$(libelf_VERSIONED)
 	rm -f $(DESTDIR)$(libdir)/$(libelf_SONAME)
 	rm -f $(DESTDIR)$(libdir)/$(libelf_BARE)
-- 
2.1.4

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