diff options
Diffstat (limited to 'mesalib/configure.ac')
| -rw-r--r-- | mesalib/configure.ac | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/mesalib/configure.ac b/mesalib/configure.ac index 06d400f15..1353c28c9 100644 --- a/mesalib/configure.ac +++ b/mesalib/configure.ac @@ -54,11 +54,14 @@ if test "x$MKDEP" = "x"; then AC_MSG_ERROR([makedepend is required to build Mesa]) fi -AC_PATH_PROG([FLEX], [flex]) -test "x$FLEX" = "x" && AC_MSG_ERROR([flex is needed to build Mesa]) - -AC_PATH_PROG([BISON], [bison]) -test "x$BISON" = "x" && AC_MSG_ERROR([bison is needed to build Mesa]) +AC_PROG_YACC +AC_PATH_PROG([YACC_INST], $YACC) +if test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.y"; then + if test -z "$YACC_INST"; then + AC_MSG_ERROR([yacc not found - unable to compile glcpp-parse.y]) + fi +fi +AC_PROG_LEX dnl Our fallback install-sh is a symlink to minstall. Use the existing dnl configuration in that case. @@ -176,7 +179,20 @@ esac dnl Add flags for gcc and g++ if test "x$GCC" = xyes; then - CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99" + CFLAGS="$CFLAGS -Wall -std=c99" + + # Enable -Werror=implicit-function-declaration and + # -Werror=missing-prototypes, if available, or otherwise, just + # -Wmissing-prototypes. This is particularly useful to avoid + # generating a loadable driver module that has undefined symbols. + save_CFLAGS="$CFLAGS" + AC_MSG_CHECKING([whether $CC supports -Werror=missing-prototypes]) + CFLAGS="$CFLAGS -Werror=implicit-function-declaration" + CFLAGS="$CFLAGS -Werror=missing-prototypes" + AC_LINK_IFELSE([AC_LANG_PROGRAM()], + AC_MSG_RESULT([yes]), + [CFLAGS="$save_CFLAGS -Wmissing-prototypes"; + AC_MSG_RESULT([no])]); # Enable -fvisibility=hidden if using a gcc that supports it save_CFLAGS="$CFLAGS" @@ -1747,7 +1763,7 @@ if test "x$enable_gallium_llvm" = xyes; then if test "x$LLVM_CONFIG" != xno; then LLVM_VERSION=`$LLVM_CONFIG --version | sed 's/svn.*//g'` LLVM_CFLAGS=`$LLVM_CONFIG --cppflags|sed -e 's/-DNDEBUG\>//g' -e 's/-pedantic//g'` - LLVM_LIBS="`$LLVM_CONFIG --libs`" + LLVM_LIBS="`$LLVM_CONFIG --libs engine bitwriter`" LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags` DEFINES="$DEFINES -D__STDC_CONSTANT_MACROS" |