diff --git a/apps/plugins/lua/rbdefines_helper.pl b/apps/plugins/lua/rbdefines_helper.pl
index 095ec55515..ecda99becc 100755
--- a/apps/plugins/lua/rbdefines_helper.pl
+++ b/apps/plugins/lua/rbdefines_helper.pl
@@ -161,7 +161,7 @@ foreach my $define (@sorted_defines)
     }
     elsif(@$define{'value'} =~ /^[0-9]+$/) #number
     {
-        printf "\tprintf(\"%s[\\\"%%s\\\"] = %%d\\n\", stringify(%s), %s);\n", $lua_table, @$define{'name'}, @$define{'name'};
+        printf "\tprintf(\"%s[\\\"%%s\\\"] = %%ld\\n\", stringify(%s), (long) %s);\n", $lua_table, @$define{'name'}, @$define{'name'};
     }
     else #might be a string but we don't know since the macro isn't expanded far enough
     {
@@ -199,7 +199,7 @@ foreach my $define (@sorted_defines)
         }
         elsif ($var =~$num_regex) #it must be a number
         {
-            printf "\tprintf(\"%s[\\\"%%s\\\"] = %%d\\n\", stringify(%s), %s);\n", $lua_table, @$define{'name'}, @$define{'name'};
+            printf "\tprintf(\"%s[\\\"%%s\\\"] = %%ld\\n\", stringify(%s), (long) %s);\n", $lua_table, @$define{'name'}, @$define{'name'};
         }
         else { warn "Skipping ".@$define{'name'}." indeterminate macro type\n"; }
     }
diff --git a/lib/rbcodec/codecs/opus.c b/lib/rbcodec/codecs/opus.c
index d30a9cf714..15cb2c8aa4 100644
--- a/lib/rbcodec/codecs/opus.c
+++ b/lib/rbcodec/codecs/opus.c
@@ -70,7 +70,7 @@ static int seek_ogg_page(uint64_t filepos)
                 break;
             if (memcmp(buf, synccode, sizeof(buf)) == 0) {
                 ci->seek_buffer(ci->curpos - sizeof(buf));
-                LOGF("next page %ld", ci->curpos);
+                LOGF("next page %jd", (intmax_t) ci->curpos);
                 return 1;
             } else
                 ci->seek_buffer(ci->curpos - (sizeof(buf) - 1));
@@ -91,7 +91,7 @@ static int seek_opus_tags(void)
                 break;
             if (memcmp(buf, synccode, sizeof(buf)) == 0) {
                 ci->seek_buffer(ci->curpos - sizeof(buf));
-                LOGF("OpusTags %ld", ci->curpos);
+                LOGF("OpusTags %jd", (intmax_t) ci->curpos);
                 return 1;
             } else
                 ci->seek_buffer(ci->curpos - (sizeof(buf) - 1));
diff --git a/lib/rbcodec/codecs/speex.c b/lib/rbcodec/codecs/speex.c
index 3de1e79f51..43c39ffc4d 100644
--- a/lib/rbcodec/codecs/speex.c
+++ b/lib/rbcodec/codecs/speex.c
@@ -167,7 +167,7 @@ static spx_int64_t seek_backwards(spx_ogg_sync_state *oy, spx_ogg_page *og,
                     offset = ret;
                     continue;
                 }
-            } else if (ret == -3) 
+            } else if (ret == -3)
                 return(-3);
             else if (ret<=0)
                 break;
@@ -187,8 +187,8 @@ static int speex_seek_page_granule(spx_int64_t pos, spx_int64_t curpos,
                                    spx_ogg_sync_state *oy,
                                    spx_int64_t headerssize)
 {
-    /* TODO: Someone may want to try to implement seek to packet, 
-             instead of just to page (should be more accurate, not be any 
+    /* TODO: Someone may want to try to implement seek to packet,
+             instead of just to page (should be more accurate, not be any
              faster) */
 
     spx_int64_t crofs;
@@ -222,9 +222,9 @@ static int speex_seek_page_granule(spx_int64_t pos, spx_int64_t curpos,
         offset = get_next_page(oy,&og,-1);
 
         if (offset < 0) { /* could not find new page,use old offset */
-            LOGF("Seek/guess/fault:%lld->-<-%d,%lld:%lld,%d,%ld,%d\n",
+            LOGF("Seek/guess/fault:%lld->-<-%d,%lld:%lld,%d,%jd,%d\n",
                   (long long int)curpos,0, (long long int)pos,
-                  (long long int)offset,0,ci->curpos,/*stream_length*/0);
+                  (long long int)offset,0, (intmax_t) ci->curpos,/*stream_length*/0);
 
             curoffset = *curbyteoffset;
 
@@ -233,9 +233,9 @@ static int speex_seek_page_granule(spx_int64_t pos, spx_int64_t curpos,
             spx_ogg_sync_reset(oy);
         } else {
             if (spx_ogg_page_granulepos(&og) == 0 && pos > 5000) {
-                LOGF("SEEK/guess/fault:%lld->-<-%lld,%lld:%lld,%d,%ld,%d\n",
+                LOGF("SEEK/guess/fault:%lld->-<-%lld,%lld:%lld,%d,%jd,%d\n",
                      (long long int)curpos,(long long int)spx_ogg_page_granulepos(&og),
-                     (long long int)pos, (long long int)offset,0,ci->curpos,/*stream_length*/0);
+                     (long long int)pos, (long long int)offset,0, (intmax_t) ci->curpos,/*stream_length*/0);
 
                 curoffset = *curbyteoffset;
 
@@ -271,7 +271,7 @@ static int speex_seek_page_granule(spx_int64_t pos, spx_int64_t curpos,
 
             lastgranule = spx_ogg_page_granulepos(&og);
 
-            if ( ((lastgranule - (avgpagelen/4)) < pos && ( lastgranule + 
+            if ( ((lastgranule - (avgpagelen/4)) < pos && ( lastgranule +
                   avgpagelen + (avgpagelen / 4)) > pos) ||
                  lastgranule > pos) {
 
@@ -339,7 +339,7 @@ static void *process_header(spx_ogg_packet *op,
         DEBUGF("Too old bitstream");
         return NULL;
     }
-   
+
     st = speex_decoder_init(mode);
     if (!st){
         DEBUGF("Decoder init failed");
diff --git a/tools/configure b/tools/configure
index 8624081359..e15e3c3297 100755
--- a/tools/configure
+++ b/tools/configure
@@ -16,9 +16,6 @@ LDOPTS=""
 GLOBAL_LDOPTS=""
 LDMAP_OPT="-Map"
 
-HOSTCC=gcc
-HOSTAR=ar
-
 extradefines=""
 use_logf="#undef ROCKBOX_HAS_LOGF"
 use_bootchart="#undef DO_BOOTCHART"
@@ -398,9 +395,7 @@ simcc () {
    if $CC --version | grep -q "clang"; then
     echo "[Warning] Clang compiler ($CC) in your path is unsupported. Trying gcc-14."
     CC=gcc-14
-    HOSTCC=gcc-14
     AR=gcc-ar-14
-    HOSTAR=gcc-ar-14
     CPP=cpp-14
    fi
    LDOPTS="$LDOPTS -ldl"
@@ -4612,8 +4607,8 @@ else
 fi
 
 # figure out the full path to the various commands if possible
-HOSTCC=`findtool ${HOSTCC} --lit`
-HOSTAR=`findtool ${HOSTAR} --lit`
+HOSTCC=`findtool gcc --lit`
+HOSTAR=`findtool ar --lit`
 CC=`findtool ${CC} --lit`
 CPP=`findtool ${CPP} --lit`
 LD=`findtool ${LD} --lit`
diff --git a/tools/gigabeat.c b/tools/gigabeat.c
index 554b8ff052..a3c9b06d04 100644
--- a/tools/gigabeat.c
+++ b/tools/gigabeat.c
@@ -52,7 +52,6 @@ static FILE * openoutfile( const char * filename )
 int gigabeat_code(char *infile, char *outfile)
 {
     FILE *in, *out;
-    unsigned long size = 0;
     unsigned long bytes_read;
     unsigned char buf[4];
     unsigned long data;
@@ -66,14 +65,12 @@ int gigabeat_code(char *infile, char *outfile)
 
         /* Read in little-endian */
         data = le2int(buf);
-        
+
         data = data ^ key;
 
         key = key + (key << 1);
         key = key + 0x19751217;
 
-        size += bytes_read;
-
         /* Write out little-endian */
         int2le(data, buf);
 
diff --git a/tools/hmac-sha1.c b/tools/hmac-sha1.c
index adb5f7e119..134206a683 100644
--- a/tools/hmac-sha1.c
+++ b/tools/hmac-sha1.c
@@ -225,7 +225,7 @@ sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx)
   if (len >= 64)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
+# define alignof(type) __alignof__(type)
 # define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
       if (UNALIGNED_P (buffer))
 	while (len > 64)
diff --git a/tools/rbspeex/rbspeexdec.c b/tools/rbspeex/rbspeexdec.c
index 3cf65f0331..714077372f 100644
--- a/tools/rbspeex/rbspeexdec.c
+++ b/tools/rbspeex/rbspeexdec.c
@@ -17,13 +17,13 @@
   * KIND, either express or implied.
   *
   ***************************************************************************/
- 
+
 #include <speex/speex.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "string.h"
 #include "rbspeex.h"
-  
+
  #define USAGE_TEXT \
 "Usage: rbspeexdec infile outfile\n"\
 "rbspeexdec outputs mono 16 bit 16 kHz WAV files.\n"\
@@ -50,13 +50,13 @@ int main(int argc, char **argv)
 
     /* Rockbox speex streams are always assumed to be WB */
     st = speex_decoder_init(&speex_wb_mode);
- 
+
     /* Set the perceptual enhancement on (is default, but doesn't hurt) */
     tmp = 1;
     speex_decoder_ctl(st, SPEEX_SET_ENH, &tmp);
     speex_decoder_ctl(st, SPEEX_GET_LOOKAHEAD, &lookahead);
     speex_decoder_ctl(st, SPEEX_GET_FRAME_SIZE, &frame_size);
- 
+
     if ((fin = fopen(argv[1], "rb")) == NULL) {
         printf("Error: could not open input file\n");
         return 1;
@@ -74,8 +74,8 @@ int main(int argc, char **argv)
     fclose(fin);
 
     /* fill in wav header */
-    strcpy(wavhdr, "RIFF");
-    strcpy(wavhdr + 8, "WAVEfmt ");
+    strcpy((char *) wavhdr, "RIFF");
+    strcpy((char *) wavhdr + 8, "WAVEfmt ");
     put_uint_le(16, wavhdr + 16);
     put_ushort_le(1, wavhdr + 20);      /* PCM data */
     put_ushort_le(1, wavhdr + 22);      /* mono */
@@ -83,7 +83,7 @@ int main(int argc, char **argv)
     put_uint_le(16000*2, wavhdr + 28);  /* chan*sr*bbs/8 */
     put_ushort_le(2, wavhdr + 32);      /* chan*bps/8 */
     put_ushort_le(16, wavhdr + 34);     /* bits per sample */
-    strcpy(wavhdr + 36, "data");
+    strcpy((char *) wavhdr + 36, "data");
     fwrite(wavhdr, 1, 44, fout);        /* write header */
     /* make bit buffer use our own buffer */
     speex_bits_set_bit_buffer(&bits, indata, insize);
diff --git a/tools/rdf2binary.c b/tools/rdf2binary.c
index df9cbd32d7..36c4f464bd 100644
--- a/tools/rdf2binary.c
+++ b/tools/rdf2binary.c
@@ -58,7 +58,7 @@ long reverse (long N) {
 }
 
 
-int main()
+int main(void)
 {
     FILE *in, *idx_out, *desc_out;
     struct word w;