c

build.c

@@ -1,5 +1,3 @@
-#define CC_ARGS "-g -ggdb"
-
 #include "build_c/build.h"
 
 /* ========================================================================= */

build.sh

@@ -2,8 +2,39 @@
 
 set -e
 
-: ${CFLAGS:="-Wall -Wextra -Wno-unused -Wno-comment -Wno-format -Wno-sign-compare -Wno-analyzer-malloc-leak -Wno-char-subscripts -Wno-implicit-fallthrough -Wno-missing-braces -Wno-analyzer-deref-before-check -Werror -std=c11"}
-: ${CC:=clang}
+: ${CFLAGS:="-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wno-comment -Wno-format -Wno-sign-compare -Wno-char-subscripts -Wno-implicit-fallthrough -Wno-missing-braces -Werror -std=c11"}
+
+if [ -z $EMPATH ]; then
+        : ${CC:=clang}
+        : ${BUILD_CC:=$CC}
+        : ${EX_CFLAGS:=""}
+        : ${AR:="ar"}
+else
+        : ${CC:=$EMPATH/emcc}
+        : ${BUILD_CC:=clang}
+        : ${EX_CFLAGS:="-O3"}
+        : ${AR:=$EMPATH/emar}
+fi
+
+ANALYZER_FLAGS="$CFLAGS -Wno-analyzer-malloc-leak -Wno-analyzer-deref-before-check"
+CFLAGS="$CFLAGS $EX_CFLAGS"
+
+#CFG_HASH=$(sum <<< "$CC $BUILD_CC $AR $CLAGS")
+#CLEAN=1
+#if [ -f "_settings.chksum" ]; then
+#       OLD=$(cat _settings.chksum)
+#       if [[ "$CFG_HASH" == "$OLD" ]]; then
+#               CLEAN=0
+#       fi
+#fi
+#echo $CFG_HASH > _settings.chksum
+#
+#if [ -f "build" ]; then
+#       if (( $CLEAN == 1 )); then
+#               echo "# completely re-building"
+#               rm -r build
+#       fi
+#fi
 
 FILES="ir/*.c common/*.c ir/opt/*.c ir/transform/*.c cg/x86_stupid/*.c"
 
@@ -12,7 +43,7 @@ FILES="ir/*.c common/*.c ir/opt/*.c ir/transform/*.c cg/x86_stupid/*.c"
 function prepare() {
   if [ -z $python ]; then
     echo \# detecting python...
-    if venv/bin/python3 --help &>/dev/null; then 
+    if venv/bin/python3 --help &>/dev/null; then
       python=venv/bin/python3
     elif venv/Scripts/python --help &>/dev/null; then
       python=venv/Scripts/python
@@ -21,13 +52,14 @@ function prepare() {
     elif python3 --help &>/dev/null; then
       python=python3
     else
-      echo "python not found! tried \"python\" and \"python3\"! Set \"python\" variable or install python!"
+      echo "python not found! tried \"python\" and \"python3\"! Set \"python\" variable or install python!"        
       exit 1
     fi
   fi
-  echo "found python at: $python"
+  echo "# found python at: $python"
   $python -m pip install generic-lexer &>/dev/null
-  $CC build.c -lpthread -DVERBOSE=1 -DPYTHON="\"$python\"" -DCC="\"$CC\"" -o build.exe
+  echo "# pip generic-lexer installed"
+  $BUILD_CC build.c -lpthread -DVERBOSE=1 -DPYTHON="\"$python\"" -DCC="\"$CC\"" -DCC_ARGS="\"$CFLAGS\"" -DAR="\"$AR\"" -o build.exe
   echo "# build.exe compiled"
   echo "# gen cdef files"
   ./build.exe gen
@@ -37,12 +69,12 @@ if [[ $1 == "analyze" ]]; then
   echo "# analyzing..."
   prepare
   echo "# starting analyzer"
-  clang --analyze -Xclang -analyzer-werror $CFLAGS $FILES
+  clang --analyze -Xclang -analyzer-werror $ANALYZER_FLAGS $FILES
 elif [[ $1 == "ganalyze" ]]; then
   echo "analyzing (gcc) ..."
   prepare
   echo "# starting analyzer (gcc)"
-  gcc -fanalyzer -fsanitize-trap=undefined $CFLAGS $FILES
+  gcc -fanalyzer -fsanitize-trap=undefined $ANALYZER_FLAGS $FILES
 elif [[ $1 == "info" ]]; then
   echo clang:
   clang --version
@@ -53,12 +85,14 @@ elif [[ $1 == "info" ]]; then
   echo cc:
   "$CC" --version
 elif [[ $1 == "build" ]]; then
-  echo "compile Debug"
-  prepare  
+  echo "# compile Debug"
+  prepare
   echo "# lib.a"
-  ./build.exe lib.a 
+  ./build.exe lib.a
 else
   echo "invalid arguments; usage: ./build.sh [ganalyze|analyze|build]"
+  echo "you can set CC, CFLAGS, BUILD_CC, python, EX_CFLAGS, AR"
+  echo "if you set EMPATH, these flags get added automatically (you can overwrite them manually): CC=\$EMPATH/emcc BUILD_CC=clang EX_CFLAGS="-O3" AR=\$EMPATH/emar"
 fi
 
 # shellcheck enable=SC2086