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2bc1d775f5
- they are mostly pointless in all major jurisdictions - many big corporations and projects already don't use them - saves us from pointless churn - git keeps history for us - the year range is kept in COPYING checksrc is updated to allow non-year using copyright statements Closes #10205
245 lines
6.9 KiB
Plaintext
245 lines
6.9 KiB
Plaintext
#---------------------------------------------------------------------------
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#
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# xc-val-flgs.m4
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#
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# Copyright (C), Daniel Stenberg <daniel@haxx.se>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# SPDX-License-Identifier: ISC
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#
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#---------------------------------------------------------------------------
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# serial 1
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dnl _XC_CHECK_VAR_LIBS
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_CHECK_VAR_LIBS], [
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xc_bad_var_libs=no
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for xc_word in $LIBS; do
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case "$xc_word" in
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-l* | --library=*)
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:
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;;
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*)
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xc_bad_var_libs=yes
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;;
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esac
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done
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if test $xc_bad_var_libs = yes; then
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AC_MSG_NOTICE([using LIBS: $LIBS])
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AC_MSG_NOTICE([LIBS note: LIBS should only be used to specify libraries (-lname).])
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fi
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])
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dnl _XC_CHECK_VAR_LDFLAGS
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_CHECK_VAR_LDFLAGS], [
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xc_bad_var_ldflags=no
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for xc_word in $LDFLAGS; do
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case "$xc_word" in
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-D*)
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xc_bad_var_ldflags=yes
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;;
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-U*)
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xc_bad_var_ldflags=yes
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;;
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-I*)
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xc_bad_var_ldflags=yes
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;;
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-l* | --library=*)
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xc_bad_var_ldflags=yes
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;;
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esac
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done
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if test $xc_bad_var_ldflags = yes; then
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AC_MSG_NOTICE([using LDFLAGS: $LDFLAGS])
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xc_bad_var_msg="LDFLAGS note: LDFLAGS should only be used to specify linker flags, not"
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for xc_word in $LDFLAGS; do
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case "$xc_word" in
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-D*)
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AC_MSG_NOTICE([$xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word])
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;;
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-U*)
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AC_MSG_NOTICE([$xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word])
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;;
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-I*)
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AC_MSG_NOTICE([$xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word])
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;;
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-l* | --library=*)
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AC_MSG_NOTICE([$xc_bad_var_msg libraries. Use LIBS for: $xc_word])
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;;
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esac
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done
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fi
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])
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dnl _XC_CHECK_VAR_CPPFLAGS
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_CHECK_VAR_CPPFLAGS], [
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xc_bad_var_cppflags=no
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for xc_word in $CPPFLAGS; do
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case "$xc_word" in
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-rpath*)
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xc_bad_var_cppflags=yes
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;;
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-L* | --library-path=*)
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xc_bad_var_cppflags=yes
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;;
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-l* | --library=*)
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xc_bad_var_cppflags=yes
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;;
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esac
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done
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if test $xc_bad_var_cppflags = yes; then
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AC_MSG_NOTICE([using CPPFLAGS: $CPPFLAGS])
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xc_bad_var_msg="CPPFLAGS note: CPPFLAGS should only be used to specify C preprocessor flags, not"
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for xc_word in $CPPFLAGS; do
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case "$xc_word" in
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-rpath*)
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AC_MSG_NOTICE([$xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word])
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;;
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-L* | --library-path=*)
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AC_MSG_NOTICE([$xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word])
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;;
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-l* | --library=*)
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AC_MSG_NOTICE([$xc_bad_var_msg libraries. Use LIBS for: $xc_word])
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;;
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esac
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done
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fi
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])
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dnl _XC_CHECK_VAR_CFLAGS
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_CHECK_VAR_CFLAGS], [
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xc_bad_var_cflags=no
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for xc_word in $CFLAGS; do
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case "$xc_word" in
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-D*)
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xc_bad_var_cflags=yes
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;;
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-U*)
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xc_bad_var_cflags=yes
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;;
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-I*)
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xc_bad_var_cflags=yes
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;;
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-rpath*)
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xc_bad_var_cflags=yes
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;;
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-L* | --library-path=*)
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xc_bad_var_cflags=yes
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;;
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-l* | --library=*)
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xc_bad_var_cflags=yes
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;;
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esac
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done
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if test $xc_bad_var_cflags = yes; then
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AC_MSG_NOTICE([using CFLAGS: $CFLAGS])
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xc_bad_var_msg="CFLAGS note: CFLAGS should only be used to specify C compiler flags, not"
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for xc_word in $CFLAGS; do
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case "$xc_word" in
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-D*)
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AC_MSG_NOTICE([$xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word])
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;;
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-U*)
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AC_MSG_NOTICE([$xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word])
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;;
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-I*)
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AC_MSG_NOTICE([$xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word])
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;;
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-rpath*)
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AC_MSG_NOTICE([$xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word])
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;;
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-L* | --library-path=*)
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AC_MSG_NOTICE([$xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word])
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;;
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-l* | --library=*)
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AC_MSG_NOTICE([$xc_bad_var_msg libraries. Use LIBS for: $xc_word])
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;;
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esac
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done
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fi
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])
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dnl XC_CHECK_USER_FLAGS
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dnl -------------------------------------------------
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dnl Public macro.
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dnl
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dnl Performs some sanity checks for LIBS, LDFLAGS,
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dnl CPPFLAGS and CFLAGS values that the user might
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dnl have set. When checks fails, user is noticed
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dnl about errors detected in all of them and script
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dnl execution is halted.
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dnl
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dnl Intended to be used early in configure script.
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AC_DEFUN([XC_CHECK_USER_FLAGS], [
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AC_PREREQ([2.50])dnl
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AC_BEFORE([$0],[XC_CHECK_PROG_CC])dnl
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dnl check order below matters
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_XC_CHECK_VAR_LIBS
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_XC_CHECK_VAR_LDFLAGS
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_XC_CHECK_VAR_CPPFLAGS
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_XC_CHECK_VAR_CFLAGS
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if test $xc_bad_var_libs = yes ||
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test $xc_bad_var_cflags = yes ||
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test $xc_bad_var_ldflags = yes ||
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test $xc_bad_var_cppflags = yes; then
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AC_MSG_ERROR([Can not continue. Fix errors mentioned immediately above this line.])
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fi
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])
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dnl XC_CHECK_BUILD_FLAGS
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dnl -------------------------------------------------
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dnl Public macro.
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dnl
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dnl Performs some sanity checks for LIBS, LDFLAGS,
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dnl CPPFLAGS and CFLAGS values that the configure
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dnl script might have set. When checks fails, user
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dnl is noticed about errors detected in all of them
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dnl but script continues execution.
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dnl
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dnl Intended to be used very late in configure script.
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AC_DEFUN([XC_CHECK_BUILD_FLAGS], [
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AC_PREREQ([2.50])dnl
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dnl check order below matters
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_XC_CHECK_VAR_LIBS
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_XC_CHECK_VAR_LDFLAGS
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_XC_CHECK_VAR_CPPFLAGS
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_XC_CHECK_VAR_CFLAGS
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if test $xc_bad_var_libs = yes ||
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test $xc_bad_var_cflags = yes ||
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test $xc_bad_var_ldflags = yes ||
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test $xc_bad_var_cppflags = yes; then
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AC_MSG_WARN([Continuing even with errors mentioned immediately above this line.])
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fi
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])
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