diff options
| -rw-r--r-- | xorg-macros.m4.in | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index 76462b5..bdf734e 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -1290,6 +1290,23 @@ AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) ]) # XORG_LINT_LIBRARY +# XORG_COMPILER_BRAND +# ------------------- +# Minimum version: 1.14.0 +# +# Checks for various brands of compilers and sets flags as appropriate: +# GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes" +# clang compiler - sets CLANGCC to "yes" +# Intel compiler - sets INTELCC to "yes" +# Sun/Oracle Solaris Studio cc - sets SUNCC to "yes" +# +AC_DEFUN([XORG_COMPILER_BRAND], [ +AC_REQUIRE([AC_PROG_CC_C99]) +AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"]) +AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"]) +AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) +]) # XORG_COMPILER_BRAND + # XORG_CWARNFLAGS # --------------- # Minimum version: 1.2.0 @@ -1298,6 +1315,7 @@ AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) # AC_DEFUN([XORG_CWARNFLAGS], [ AC_REQUIRE([AC_PROG_CC_C99]) +AC_REQUIRE([XORG_COMPILER_BRAND]) if test "x$GCC" = xyes ; then CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \ -Wmissing-declarations -Wnested-externs -fno-strict-aliasing \ @@ -1308,7 +1326,6 @@ if test "x$GCC" = xyes ; then ;; esac else - AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) if test "x$SUNCC" = "xyes"; then CWARNFLAGS="-v" fi @@ -1324,6 +1341,7 @@ AC_SUBST(CWARNFLAGS) AC_DEFUN([XORG_STRICT_OPTION], [ # If the module's configure.ac calls AC_PROG_CC later on, CC gets set to C89 AC_REQUIRE([AC_PROG_CC_C99]) +AC_REQUIRE([XORG_COMPILER_BRAND]) AC_REQUIRE([XORG_CWARNFLAGS]) AC_ARG_ENABLE(strict-compilation, @@ -1331,13 +1349,11 @@ AC_ARG_ENABLE(strict-compilation, [Enable all warnings from compiler and make them errors (default: disabled)]), [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) if test "x$STRICT_COMPILE" = "xyes"; then - AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) - AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"]) if test "x$GCC" = xyes ; then STRICT_CFLAGS="-pedantic -Werror" elif test "x$SUNCC" = "xyes"; then STRICT_CFLAGS="-errwarn" - elif test "x$INTELCC" = "xyes"; then + elif test "x$INTELCC" = "xyes"; then STRICT_CFLAGS="-Werror" fi fi |