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c504bec035
* m4/assert_h.m4 (gl_ASSERT_H): Also test for static_assert keyword a la C23, and define HAVE_C_STATIC_ASSERT if so. If not, arrange for config.h to #define static_assert by including <assert.h>, and then do "#undef assert" so that the assert macro still needs an explicit include. This should be safe even on very old hosts, as assert.h has been re-includable for decades. * tests/tests-assert.c: New test. * modules/assert-h-tests (Files, Makefile.am): Add it.
53 lines
1.3 KiB
Plaintext
53 lines
1.3 KiB
Plaintext
Description:
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An <assert.h> and static_assert that are like C23.
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Files:
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lib/assert.in.h
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lib/verify.h
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m4/assert_h.m4
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Depends-on:
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gen-header
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include_next
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configure.ac:
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gl_ASSERT_H
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gl_CONDITIONAL_HEADER([assert.h])
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AC_PROG_MKDIR_P
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Makefile.am:
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BUILT_SOURCES += $(ASSERT_H)
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# We need the following in order to create <assert.h> when the system
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# doesn't have one that works with the given compiler.
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if GL_GENERATE_ASSERT_H
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assert.h: assert.in.h verify.h $(top_builddir)/config.status
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@NMD@ $(AM_V_GEN)$(MKDIR_P) '%reldir%'
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$(gl_V_at){ $(SED_HEADER_STDOUT) \
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-e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
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-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
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-e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
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-e 's|@''NEXT_ASSERT_H''@|$(NEXT_ASSERT_H)|g' \
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< $(srcdir)/assert.in.h && \
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sed -e '/@assert.h omit start@/,/@assert.h omit end@/d' \
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-e 's|_gl_verify|_gl_static_assert|g' \
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-e 's|_GL_VERIFY|_GL_STATIC_ASSERT|g' \
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-e 's|_GL\(_STATIC_ASSERT_H\)|_${gl_include_guard_prefix}\1|g' \
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< $(srcdir)/verify.h; \
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} > $@-t
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$(AM_V_at)mv $@-t $@
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else
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assert.h: $(top_builddir)/config.status
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rm -f $@
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endif
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MOSTLYCLEANFILES += assert.h assert.h-t
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Include:
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<assert.h>
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License:
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LGPLv2+
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Maintainer:
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Paul Eggert
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