96 lines
2.9 KiB
Plaintext
96 lines
2.9 KiB
Plaintext
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#---------------------------------------------------------------------------
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#
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# xc-cc-check.m4
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#
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# Copyright (c) 2013 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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#---------------------------------------------------------------------------
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# serial 1
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dnl _XC_PROG_CC_PREAMBLE
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_PROG_CC_PREAMBLE], [
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xc_prog_cc_prev_IFS=$IFS
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xc_prog_cc_prev_LIBS=$LIBS
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xc_prog_cc_prev_CFLAGS=$CFLAGS
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xc_prog_cc_prev_LDFLAGS=$LDFLAGS
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xc_prog_cc_prev_CPPFLAGS=$CPPFLAGS
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])
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dnl _XC_PROG_CC_POSTLUDE
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_PROG_CC_POSTLUDE], [
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IFS=$xc_prog_cc_prev_IFS
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LIBS=$xc_prog_cc_prev_LIBS
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CFLAGS=$xc_prog_cc_prev_CFLAGS
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LDFLAGS=$xc_prog_cc_prev_LDFLAGS
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CPPFLAGS=$xc_prog_cc_prev_CPPFLAGS
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AC_SUBST([CC])dnl
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AC_SUBST([CPP])dnl
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AC_SUBST([LIBS])dnl
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AC_SUBST([CFLAGS])dnl
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AC_SUBST([LDFLAGS])dnl
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AC_SUBST([CPPFLAGS])dnl
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])
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dnl _XC_PROG_CC
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dnl -------------------------------------------------
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dnl Private macro.
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AC_DEFUN([_XC_PROG_CC], [
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AC_REQUIRE([_XC_PROG_CC_PREAMBLE])dnl
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AC_REQUIRE([XC_CHECK_BUILD_FLAGS])dnl
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AC_REQUIRE([AC_PROG_INSTALL])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AM_PROG_CC_C_O])dnl
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AC_REQUIRE([AC_PROG_CPP])dnl
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AC_REQUIRE([_XC_PROG_CC_POSTLUDE])dnl
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])
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dnl XC_CHECK_PROG_CC
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dnl -------------------------------------------------
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dnl Public macro.
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dnl
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dnl Checks for C compiler and C preprocessor programs,
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dnl while doing some previous sanity validation on user
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dnl provided LIBS, LDFLAGS, CPPFLAGS and CFLAGS values
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dnl that must succeed in order to continue execution.
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dnl
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dnl This sets variables CC and CPP, while preventing
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dnl LIBS, LDFLAGS, CFLAGS, CPPFLAGS and IFS from being
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dnl unexpectedly changed by underlying macros.
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AC_DEFUN([XC_CHECK_PROG_CC], [
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AC_PREREQ([2.50])dnl
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AC_BEFORE([$0],[_XC_PROG_CC_PREAMBLE])dnl
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AC_BEFORE([$0],[AC_PROG_INSTALL])dnl
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AC_BEFORE([$0],[AC_PROG_CC])dnl
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AC_BEFORE([$0],[AM_PROG_CC_C_O])dnl
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AC_BEFORE([$0],[AC_PROG_CPP])dnl
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AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl
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AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl
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AC_BEFORE([$0],[_XC_PROG_CC_POSTLUDE])dnl
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AC_REQUIRE([_XC_PROG_CC])dnl
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])
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