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builder: make sure -fshort-enums is used consistently

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The main change is in building the libraries, where -fshort-enums was
passed on RISC-V while other C files weren't compiled with this setting.

Note: the test already passed before this change, but it seems like a
good idea to explicitly test for enum size consistency.
There is also not a particular reason not to pass -fshort-enums on
RISC-V. Perhaps it's better to do it there too (on baremetal targets
that don't have to worry about binary compatibility).
This commit is contained in:
Ayke van Laethem
2020-04-05 18:19:26 +02:00
committed by Ayke
parent 8333c171f4
commit 639ec1e6ee
7 changed files with 13 additions and 2 deletions
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builder/picolibc.go
+1 -1
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@@ -12,7 +12,7 @@ var Picolibc = Library{
name: "picolibc",
cflags: func() []string {
picolibcDir := filepath.Join(goenv.Get("TINYGOROOT"), "lib/picolibc/newlib/libc")
return []string{"-Werror", "-Wall", "-std=gnu11", "-D_COMPILING_NEWLIB", "-fshort-enums", "--sysroot=" + picolibcDir, "-I" + picolibcDir + "/tinystdio", "-I" + goenv.Get("TINYGOROOT") + "/lib/picolibc-include"}
return []string{"-Werror", "-Wall", "-std=gnu11", "-D_COMPILING_NEWLIB", "--sysroot=" + picolibcDir, "-I" + picolibcDir + "/tinystdio", "-I" + goenv.Get("TINYGOROOT") + "/lib/picolibc-include"}
},
sourceDir: "lib/picolibc/newlib/libc",
sources: func(target string) []string {