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Support for suppressing the export-all-symbols linker flag

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[SVN r17037]
This commit is contained in:
Raoul Gough
2003-01-24 21:38:57 +00:00
parent 5a6eead02b
commit 5d1ba61966
2 changed files with 12 additions and 2 deletions
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7
gcc-tools.jam
View File

@@ -355,10 +355,15 @@ rule Link-action
DLL_LINK_FLAGS = "" ;
}
# Allow gcc-nocygwin to avoid this flag
if ! $(GCC_NO_EXPORT_ALL) {
DLL_LINK_FLAGS = "$(DLL_LINK_FLAGS)-Wl,--export-all-symbols " ;
}
# This will appear before the import library name when building a DLL, but
# will be "multiplied away" otherwise. The --exclude-symbols directive
# proved to be neccessary with some versions of Cygwin.
IMPLIB_COMMAND on $(<) = "$(DLL_LINK_FLAGS)-Wl,--export-all-symbols -Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
IMPLIB_COMMAND on $(<) = "$(DLL_LINK_FLAGS)-Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
DEPENDS $(<) : $(NEEDLIBS) $(NEEDIMPS) ;
gRUN_LD_LIBRARY_PATH($(<)) += $(STDLIBPATH:T) ;

7
v1/gcc-tools.jam
View File

@@ -355,10 +355,15 @@ rule Link-action
DLL_LINK_FLAGS = "" ;
}
# Allow gcc-nocygwin to avoid this flag
if ! $(GCC_NO_EXPORT_ALL) {
DLL_LINK_FLAGS = "$(DLL_LINK_FLAGS)-Wl,--export-all-symbols " ;
}
# This will appear before the import library name when building a DLL, but
# will be "multiplied away" otherwise. The --exclude-symbols directive
# proved to be neccessary with some versions of Cygwin.
IMPLIB_COMMAND on $(<) = "$(DLL_LINK_FLAGS)-Wl,--export-all-symbols -Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
IMPLIB_COMMAND on $(<) = "$(DLL_LINK_FLAGS)-Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
DEPENDS $(<) : $(NEEDLIBS) $(NEEDIMPS) ;
gRUN_LD_LIBRARY_PATH($(<)) += $(STDLIBPATH:T) ;