X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/131f235d04ef7a192e5f553c74c7df45c526cfa2..1e52188741389278cd99abf79218162c87024ba3:/aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index c1d387e5fe..73259c5da7 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1111,14 +1111,18 @@ AC_DEFUN(AC_BAKEFILE_PLATFORM,
     PLATFORM_MSDOS=0
     PLATFORM_MAC=0
     PLATFORM_MACOSX=0
+    PLATFORM_OS2=0
     
     case "${host}" in
         *-*-cygwin* | *-*-mingw32* )
             PLATFORM_WIN32=1
         ;;
-        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
+        *-pc-msdosdjgpp )
             PLATFORM_MSDOS=1
         ;;
+        *-pc-os2_emx | *-pc-os2-emx )
+            PLATFORM_OS2=1
+        ;;
         powerpc-*-darwin* )
             PLATFORM_MAC=1
             PLATFORM_MACOSX=1
@@ -1133,6 +1137,7 @@ AC_DEFUN(AC_BAKEFILE_PLATFORM,
     AC_SUBST(PLATFORM_MSDOS)
     AC_SUBST(PLATFORM_MAC)
     AC_SUBST(PLATFORM_MACOSX)
+    AC_SUBST(PLATFORM_OS2)
 ])
 
 
@@ -1149,6 +1154,7 @@ AC_DEFUN(AC_BAKEFILE_SUFFIXES,
     SO_SUFFIX="so"
     SO_SUFFIX_MODULE="so"
     EXEEXT=""
+    LIBPREFIX=lib
     DLLPREFIX=lib
     DLLPREFIX_MODULE=
     
@@ -1172,10 +1178,15 @@ AC_DEFUN(AC_BAKEFILE_SUFFIXES,
             EXEEXT=".exe"
             DLLPREFIX=""
         ;;
-        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
+        *-pc-msdosdjgpp )
             EXEEXT=".exe"
             DLLPREFIX=""
         ;;
+        *-pc-os2_emx | *-pc-os2-emx )
+            EXEEXT=".exe"
+            DLLPREFIX=""
+            LIBPREFIX=""
+        ;;
         powerpc-*-darwin* )
             SO_SUFFIX="dylib"
             SO_SUFFIX_MODULE="bundle"
@@ -1185,6 +1196,7 @@ AC_DEFUN(AC_BAKEFILE_SUFFIXES,
     AC_SUBST(SO_SUFFIX)
     AC_SUBST(SO_SUFFIX_MODULE)
     AC_SUBST(EXEEXT)
+    AC_SUBST(LIBPREFIX)
     AC_SUBST(DLLPREFIX)
     AC_SUBST(DLLPREFIX_MODULE)
 ])
@@ -1401,6 +1413,7 @@ EOF
       *-*-sunos4* | \
       *-*-osf* | \
       *-*-dgux5* | \
+      *-pc-os2_emx | *-pc-os2-emx | \
       *-*-sysv5* )
         dnl defaults are ok
       ;;
@@ -1413,7 +1426,7 @@ EOF
         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
     fi
     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
-        SHARED_LD_MODULE_CC="$SHARED_LD_CXX"
+        SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
     fi
 
     AC_SUBST(SHARED_LD_CC)
@@ -1503,8 +1516,8 @@ AC_DEFUN(AC_BAKEFILE_DEPS,
         cat <<EOF >bk-deps
 #!/bin/sh
 
-# This script is part of Bakefile (http://bakefile.sf.net) autoconf script.
-# It is used to track C/C++ files dependencies in portable way.
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to track C/C++ files dependencies in portable way.
 #
 # Permission is given to use this file in any way.
 
@@ -1632,6 +1645,103 @@ AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
     AC_SUBST(SETFILE)
 ])
 
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_PRECOMP_HEADERS
+dnl
+dnl Check for precompiled headers support (GCC >= 3.4)
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS,
+[
+
+    AC_ARG_ENABLE([precomp-headers],
+                  [  --disable-precomp-headers  don't use precompiled headers even if compiler can],
+                  [bk_use_pch="$enableval"])
+
+    GCC_PCH=0
+
+    if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
+        if test "x$GCC" = "xyes"; then
+            dnl test if we have gcc-3.4:
+            AC_MSG_CHECKING([if the compiler supports precompiled headers])
+            AC_TRY_COMPILE([],
+                [
+                    #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
+                        #error "no pch support"
+                    #endif
+                    #if (__GNUC__ < 3)
+                        #error "no pch support"
+                    #endif
+                    #if (__GNUC__ == 3) && \
+                       ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
+                       ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
+                        #error "no pch support"
+                    #endif
+                ],
+                [
+                    AC_MSG_RESULT([yes])
+                    dnl FIXME - this is temporary, till .gch dependencies 
+                    dnl         are fixed in generated Makefiles
+                    CPPFLAGS="-fpch-deps $CPPFLAGS"
+                    GCC_PCH=1
+                ],
+                [
+                    AC_MSG_RESULT([no])
+                ])
+            if test $GCC_PCH = 1 ; then
+                cat <<EOF >bk-make-pch
+#!/bin/sh
+
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to generated precompiled headers.
+#
+# Permission is given to use this file in any way.
+
+outfile="\${1}"
+header="\${2}"
+shift
+shift
+
+compiler=
+headerfile=
+while test \${#} -gt 0; do
+    case "\${1}" in
+        -I* )
+            incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\`
+            if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then
+                headerfile="\${incdir}/\${header}"
+            fi
+        ;;
+    esac
+    compiler="\${compiler} \${1}"
+    shift
+done
+
+if test "x\${headerfile}" = "x" ; then
+    echo "error: can't find header \${header} in include paths" >2
+else
+    if test -f \${outfile} ; then
+        rm -f \${outfile}
+    else
+        mkdir -p \`dirname \${outfile}\`
+    fi
+    depsfile=".deps/\`basename \${outfile}\`.d"
+    mkdir -p .deps
+    # can do this because gcc is >= 3.4:
+    \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}"
+    exit \${?}
+fi
+EOF
+                chmod +x bk-make-pch
+            fi
+        fi
+    fi
+
+    AC_SUBST(GCC_PCH)
+])
+
+
+
 dnl ---------------------------------------------------------------------------
 dnl AC_BAKEFILE
 dnl