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- From 7f54d48ee5db037778ead310e0b8278f3fe70b41 Mon Sep 17 00:00:00 2001
- From: Giulio Benetti <giulio.benetti@benettiengineering.com>
- Date: Sun, 19 Dec 2021 07:52:55 +0100
- Subject: [PATCH] src/rebar_port_compiler: add -fPIC to LDFLAGS by default
- Since both DRV_CFLAGS and EXE_CFLAGS list -fPIC we need also the LDFLAGS
- to follow them. Unfortunately adding -fPIC only to DRV_LDFLAGS and
- EXE_LDFLAGS is not sufficient, since when linking as a library(.so) it
- doesn't take into account those variables. Since -fPIC is needed by default
- by any kind of linking, let's add it to the general -fPIC. Rebar seems to
- link libraries without taking into account any variable listed in:
- src/rebar_port_compiler.erl
- this after testing and tracing for every variable.
- Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
- ---
- src/rebar_port_compiler.erl | 2 ++
- 1 file changed, 2 insertions(+)
- diff --git a/src/rebar_port_compiler.erl b/src/rebar_port_compiler.erl
- index 9679c80..bd08b21 100644
- --- a/src/rebar_port_compiler.erl
- +++ b/src/rebar_port_compiler.erl
- @@ -645,6 +645,8 @@ default_env() ->
- {"OBJCOPY", get_tool(Arch, "objcopy", "objcopy")},
- {"OBJDUMP", get_tool(Arch, "objdump", "objdump")},
-
- + {"LDFLAGS", "-fPIC $LDFLAGS"},
- +
- {"DRV_CXX_TEMPLATE",
- "$CXX -c $CXXFLAGS $DRV_CFLAGS $PORT_IN_FILES -o $PORT_OUT_FILE"},
- {"DRV_CC_TEMPLATE",
- --
- 2.25.1
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