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Use -fPIC instead of -fpic

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With large objects, use of -fpic will fail to link on certain
architectures due to size limitations of the global offset table (GOT).
For example, the link stage for glfw-wayland.so fails on sparc64, as
below.  Using -fPIC avoids these size limitations.

    ./glfw/osmesa_context.c:73:(.text+0xf2c): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `swapIntervalEGL':
    ./glfw/egl_context.c:238:(.text+0xf68): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `destroyContextOSMesa':
    ./glfw/osmesa_context.c:80:(.text+0x10a4): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `data_offer_action':
    ./glfw/wl_window.c:1692:(.text+0x15e4): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `data_offer_source_actions':
    ./glfw/wl_window.c:1683:(.text+0x1648): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `keyboardHandleRepeatInfo':
    ./glfw/wl_init.c:471:(.text+0x1704): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `checkScaleChange':
    ./glfw/wl_window.c:55:(.text+0x1768): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `primary_selection_copy_callback_done':
    ./glfw/wl_window.c:1833:(.text+0x18bc): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `clipboard_copy_callback_done':
    ./glfw/wl_window.c:1825:(.text+0x1910): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `primary_selection_source_canceled':
    ./glfw/wl_window.c:1582:(.text+0x1968): relocation truncated to fit: R_SPARC_GOT13 against symbol `_glfw' defined in .bss section in /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o
    /tmp/glfw-wayland.so.SYvdxr.ltrans0.ltrans.o: in function `data_source_canceled':
    ./glfw/wl_window.c:1576:(.text+0x19c0): additional relocation overflows omitted from the output
    collect2: error: ld returned 1 exit status
This commit is contained in:
James McCoy 2020-04-25 10:08:28 -04:00
parent c92aca5d19
commit 0dff0d03f9
1 changed files with 1 additions and 1 deletions
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2
glfw/glfw.py
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@ -55,7 +55,7 @@ def wayland_protocol_file_name(base: str, ext: str = 'c') -> str:
def init_env(env: Env, pkg_config: Callable, at_least_version: Callable, test_compile: Callable, module: str = 'x11') -> Env:
ans = env.copy()
ans.cflags.append('-fpic')
ans.cflags.append('-fPIC')
ans.cppflags.append('-D_GLFW_' + module.upper())
ans.cppflags.append('-D_GLFW_BUILD_DLL')