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Support i386 #820

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Support i386 #820

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09fdf31
Use the `--merge-extern-blocks` flag for shorter bindings
pvdrz Jan 17, 2024
6d19788
Add indirection to generate platform specific bindings
pvdrz Jan 17, 2024
313cb26
Add 32-bit linux bindings
pvdrz Jan 17, 2024
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15 changes: 9 additions & 6 deletions Makefile
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Original file line number Diff line number Diff line change
@@ -1,18 +1,21 @@
PAM_SRC_DIR = src/pam

BINDGEN_CMD = bindgen --allowlist-function '^pam_.*$$' --allowlist-var '^PAM_.*$$' --opaque-type pam_handle_t --ctypes-prefix libc
BINDGEN_CMD = bindgen --merge-extern-blocks --allowlist-function '^pam_.*$$' --allowlist-var '^PAM_.*$$' --opaque-type pam_handle_t --ctypes-prefix libc

.PHONY: all clean pam-sys pam-sys-diff

pam-sys-diff: $(PAM_SRC_DIR)/wrapper.h
@$(BINDGEN_CMD) $< | diff --color=auto $(PAM_SRC_DIR)/sys.rs - || (echo run \'make -B pam-sys\' to apply these changes && false)
@$(BINDGEN_CMD) $< -- --target=x86_64-pc-linux-gnu | diff --color=auto $(PAM_SRC_DIR)/sys/x86_64_linux.rs - || (echo run \'make -B pam-sys\' to apply these changes && false)
@echo $(PAM_SRC_DIR)/sys.rs does not need to be re-generated

# use 'make pam-sys' to re-generate the sys.rs file
pam-sys: $(PAM_SRC_DIR)/sys.rs
pam-sys: $(PAM_SRC_DIR)/sys/x86_64_linux.rs $(PAM_SRC_DIR)/sys/i386_linux.rs

$(PAM_SRC_DIR)/sys.rs: $(PAM_SRC_DIR)/wrapper.h
$(BINDGEN_CMD) $< --output $@
$(PAM_SRC_DIR)/sys/x86_64_linux.rs: $(PAM_SRC_DIR)/wrapper.h
$(BINDGEN_CMD) $< --output $@ -- --target=x86_64-pc-linux-gnu

$(PAM_SRC_DIR)/sys/i386_linux.rs: $(PAM_SRC_DIR)/wrapper.h
$(BINDGEN_CMD) $< --output $@ -- --target=i386-pc-linux-gnu

clean:
rm $(PAM_SRC_DIR)/sys.rs
rm $(PAM_SRC_DIR)/sys/x86_64_linux.rs
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