Changeset ee0a1f3

Timestamp:

Jun 29, 2006, 4:14:01 PM (18 years ago)

Author:

Paul Brossier <piem@altern.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

a814968

Parents:

e3db73f

Message:

add kludge to check if $CC supports -Wextra
add kludge to check if $CC supports -Wextra

File:

• configure.ac (modified) (2 diffs)

configure.ac

@@ -26 +26 @@
 AC_CANONICAL_HOST
 
-dnl Default optimization
-CFLAGS="$CFLAGS -O2"
-
-dnl Enable debugging (no)
-AC_ARG_ENABLE(debug,
-  [  --enable-debug[[=value]]   compile with debug [[default=no]]],
-  with_debug="yes",
-  with_debug="no")
-if test "$with_debug" = "yes"
-then
-  AC_DEFINE(DEBUG,1,[Define to enable debug])
-  CFLAGS="$CFLAGS -g"
-fi
-
-dnl Enable full warnings (yes)
-AC_ARG_ENABLE(warnme,
-  [  --enable-warnme[[=value]]   compile with all -W [[default=yes]]],
-  with_warnme="no",
-  with_warnme="yes")
-if test "$with_warnme" = "yes"
-then
-  CFLAGS="$CFLAGS -Wall -Wextra -Werror -Wmissing-prototypes -Wmissing-declarations -Wno-unused-parameter"
-fi
-
 dnl Check for programs
 AC_PROG_CC
@@ -56 +32 @@
 fi
 AC_PROG_INSTALL
+
+dnl Default optimization
+CFLAGS="$CFLAGS -O2"
+
+dnl Enable debugging (no)
+AC_ARG_ENABLE(debug,
+  [  --enable-debug[[=value]]  compile with debug [[default=no]]],
+  with_debug="yes",
+  with_debug="no")
+if test "$with_debug" = "yes"
+then
+  AC_DEFINE(DEBUG,1,[Define to enable debug])
+  CFLAGS="$CFLAGS -g"
+fi
+
+dnl Enable full warnings (yes)
+AC_ARG_ENABLE(warnme,
+  [  --enable-warnme[[=value]] compile with all -W [[default=yes]]],
+  with_warnme="no",
+  with_warnme="yes")
+if test "$with_warnme" = "yes"
+then
+  dnl Check for -Wextra support to allow compilation on gcc <= 3.4
+  AC_CACHE_CHECK([for -Wextra option to $CC], ac_cv_cc_wextra, 
+  [old_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -Wextra"
+  AC_COMPILE_IFELSE([void foo (void) {}],
+          ac_cv_cc_wextra=yes, ac_cv_cc_wextra=no)
+  ])
+  if test "$ac_cv_cc_wextra" = "yes"
+  then
+    CFLAGS="$old_CFLAGS -Wall -Wextra"
+  else 
+    CFLAGS="$old_CFLAGS -Wall"
+  fi
+fi
+
+AC_ARG_ENABLE(failonerror,
+  [  --enable-fwarn[[=value]]  fail on compilation warnings [[default=yes]]],
+  with_warnme="no",
+  CFLAGS="$CFLAGS -Werror -Wmissing-prototypes -Wmissing-declarations -Wno-unused-parameter")
 
 dnl Check for libtool