cf: Check cc support of -Werror=enum-conversion
This commit is contained in:
Nicolas Williams
53
cf/check-compile-flag.m4
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53
cf/check-compile-flag.m4
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@@ -0,0 +1,53 @@
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
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#
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# DESCRIPTION
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#
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# Check whether the given FLAG works with the current language's compiler
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# or gives an error. (Warnings, however, are ignored)
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#
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# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
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# success/failure.
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#
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# If EXTRA-FLAGS is defined, it is added to the current language's default
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# flags (e.g. CFLAGS) when the check is done. The check is thus made with
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# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
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# force the compiler to issue an error when a bad flag is given.
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#
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# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
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#
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# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
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# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
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# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 6
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AC_DEFUN([AX_CHECK_COMPILE_FLAG],
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[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
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AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
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ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
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_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
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AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
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[AS_VAR_SET(CACHEVAR,[yes])],
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[AS_VAR_SET(CACHEVAR,[no])])
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_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
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AS_VAR_IF(CACHEVAR,yes,
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[m4_default([$2], :)],
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[m4_default([$3], :)])
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AS_VAR_POPDEF([CACHEVAR])dnl
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])dnl AX_CHECK_COMPILE_FLAGS
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10
configure.ac
10
configure.ac
@@ -87,8 +87,6 @@ dnl
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dnl Helper bits for cross compiling
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dnl
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AM_CONDITIONAL(CROSS_COMPILE, test "${cross_compiling}" = yes)
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AC_ARG_WITH(cross-tools,
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@@ -117,6 +115,14 @@ else
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fi
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AX_CHECK_COMPILE_FLAG([-Werror=enum-conversion],
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[WFLAGS_ENUM_CONV=-Werror=enum-conversion],
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[WFLAGS_ENUM_CONV=], [-Werror])
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AX_CHECK_COMPILE_FLAG([-Wno-unused-but-set-variable],
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[WFLAGS_UNUSED_BUT_SET_VAR=-Wno-unused-but-set-variable],
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[WFLAGS_UNUSED_BUT_SET_VAR=], [-Werror])
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AC_SUBST([WFLAGS_ENUM_CONV])
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AC_SUBST([ASN1_COMPILE])
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AC_SUBST([ASN1_COMPILE_DEP])
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AC_SUBST([SLC])
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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AM_CPPFLAGS += $(INCLUDE_libintl) $(INCLUDE_openssl_crypto) -I$(srcdir)/../lib/krb5
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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YFLAGS = -d -t
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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AUTOMAKE_OPTIONS = subdir-objects
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@@ -16,7 +16,7 @@ AM_CPPFLAGS += -I$(top_srcdir)/lib/hx509 \
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WFLAGS += $(WFLAGS_LITE) -Wno-error=unused-function
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# XXX: Make these not necessary:
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WFLAGS += -Wno-error=unused-result -Wno-error=deprecated-declarations
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WFLAGS += -Wno-unused-but-set-variable
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WFLAGS += $(WFLAGS_UNUSED_BUT_SET_VAR)
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lib_LTLIBRARIES = libhcrypto.la
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check_LTLIBRARIES = libhctest.la
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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AM_CPPFLAGS += -I../asn1 -I$(srcdir)/../asn1
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AM_CPPFLAGS += $(INCLUDE_openldap) -DHDB_DB_DIR=\"$(DIR_hdbdir)\"
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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AM_CPPFLAGS += $(AFS_EXTRA_DEFS) $(ROKEN_RENAME)
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@@ -2,7 +2,7 @@
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include $(top_srcdir)/Makefile.am.common
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WFLAGS += -Wno-error=enum-conversion
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WFLAGS += $(WFLAGS_ENUM_CONV)
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AM_CPPFLAGS += -I../com_err -I$(srcdir)/../com_err $(INCLUDE_sqlite3) $(INCLUDE_libintl) $(INCLUDE_openssl_crypto)
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