| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #--------------------------------------------------------------------------- |
| 2 | # |
| 3 | # xc-cc-check.m4 |
| 4 | # |
| 5 | # Copyright (c) 2013 Daniel Stenberg <daniel@haxx.se> |
| 6 | # |
| 7 | # Permission to use, copy, modify, and distribute this software for any |
| 8 | # purpose with or without fee is hereby granted, provided that the above |
| 9 | # copyright notice and this permission notice appear in all copies. |
| 10 | # |
| 11 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 12 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 14 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | # |
| 19 | #--------------------------------------------------------------------------- |
| 20 | |
| 21 | # serial 1 |
| 22 | |
| 23 | |
| 24 | dnl _XC_PROG_CC_PREAMBLE |
| 25 | dnl ------------------------------------------------- |
| 26 | dnl Private macro. |
| 27 | |
| 28 | AC_DEFUN([_XC_PROG_CC_PREAMBLE], [ |
| 29 | xc_prog_cc_prev_IFS=$IFS |
| 30 | xc_prog_cc_prev_LIBS=$LIBS |
| 31 | xc_prog_cc_prev_CFLAGS=$CFLAGS |
| 32 | xc_prog_cc_prev_LDFLAGS=$LDFLAGS |
| 33 | xc_prog_cc_prev_CPPFLAGS=$CPPFLAGS |
| 34 | ]) |
| 35 | |
| 36 | |
| 37 | dnl _XC_PROG_CC_POSTLUDE |
| 38 | dnl ------------------------------------------------- |
| 39 | dnl Private macro. |
| 40 | |
| 41 | AC_DEFUN([_XC_PROG_CC_POSTLUDE], [ |
| 42 | IFS=$xc_prog_cc_prev_IFS |
| 43 | LIBS=$xc_prog_cc_prev_LIBS |
| 44 | CFLAGS=$xc_prog_cc_prev_CFLAGS |
| 45 | LDFLAGS=$xc_prog_cc_prev_LDFLAGS |
| 46 | CPPFLAGS=$xc_prog_cc_prev_CPPFLAGS |
| 47 | AC_SUBST([CC])dnl |
| 48 | AC_SUBST([CPP])dnl |
| 49 | AC_SUBST([LIBS])dnl |
| 50 | AC_SUBST([CFLAGS])dnl |
| 51 | AC_SUBST([LDFLAGS])dnl |
| 52 | AC_SUBST([CPPFLAGS])dnl |
| 53 | ]) |
| 54 | |
| 55 | |
| 56 | dnl _XC_PROG_CC |
| 57 | dnl ------------------------------------------------- |
| 58 | dnl Private macro. |
| 59 | |
| 60 | AC_DEFUN([_XC_PROG_CC], [ |
| 61 | AC_REQUIRE([_XC_PROG_CC_PREAMBLE])dnl |
| 62 | AC_REQUIRE([XC_CHECK_USER_FLAGS])dnl |
| 63 | AC_REQUIRE([AC_PROG_INSTALL])dnl |
| 64 | AC_REQUIRE([AC_PROG_CC])dnl |
| 65 | AC_REQUIRE([AM_PROG_CC_C_O])dnl |
| 66 | AC_REQUIRE([AC_PROG_CPP])dnl |
| 67 | AC_REQUIRE([_XC_PROG_CC_POSTLUDE])dnl |
| 68 | ]) |
| 69 | |
| 70 | |
| 71 | dnl XC_CHECK_PROG_CC |
| 72 | dnl ------------------------------------------------- |
| 73 | dnl Public macro. |
| 74 | dnl |
| 75 | dnl Checks for C compiler and C preprocessor programs, |
| 76 | dnl while doing some previous sanity validation on user |
| 77 | dnl provided LIBS, LDFLAGS, CPPFLAGS and CFLAGS values |
| 78 | dnl that must succeed in order to continue execution. |
| 79 | dnl |
| 80 | dnl This sets variables CC and CPP, while preventing |
| 81 | dnl LIBS, LDFLAGS, CFLAGS, CPPFLAGS and IFS from being |
| 82 | dnl unexpectedly changed by underlying macros. |
| 83 | |
| 84 | AC_DEFUN([XC_CHECK_PROG_CC], [ |
| 85 | AC_PREREQ([2.50])dnl |
| 86 | AC_BEFORE([$0],[_XC_PROG_CC_PREAMBLE])dnl |
| 87 | AC_BEFORE([$0],[AC_PROG_INSTALL])dnl |
| 88 | AC_BEFORE([$0],[AC_PROG_CC])dnl |
| 89 | AC_BEFORE([$0],[AM_PROG_CC_C_O])dnl |
| 90 | AC_BEFORE([$0],[AC_PROG_CPP])dnl |
| 91 | AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl |
| 92 | AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl |
| 93 | AC_BEFORE([$0],[_XC_PROG_CC_POSTLUDE])dnl |
| 94 | AC_REQUIRE([_XC_PROG_CC])dnl |
| 95 | ]) |
| 96 | |