Add libm for non-FPU Amigas.

README

@@ -8,6 +8,7 @@ targeting m68k-amigaos with:
  * g++ 2.95.3 + libstdc++
  * binutils 2.9.1 (assembler, linker, etc.)
  * libnix 2.1 (standard ANSI/C library replacement for AmigaOS)
+ * libm 5.4 (provides math library implementation for non-FPU Amigas)
  * AmigaOS headers & libraries (for AmigaOS 3.9)
  * ixemul.library 48.2
 
@@ -31,6 +32,7 @@ Prerequisites (look at bootstrap.conf file):
    - gawk 1.3.8
  * Amiga specific sources & binaries:
    - libnix 2.1
+   - libm 5.4
    - AmigaOS NDK 3.9
    - sfdc 1.4
    - libamiga-bin

archives/fetch.sh

@@ -25,6 +25,9 @@ download \
 download \
   "http://ftp.back2roots.org/geekgadgets/amiga/m68k/snapshots/990529/bin/libamiga-bin.tgz" \
   "libamiga-bin.tar.gz"
+download \
+  "http://ftp.back2roots.org/geekgadgets/amiga/m68k/snapshots/990529/src/libm-5.4-src.tgz" \
+  "libm-5.4.tar.gz"
 download \
   "http://sourceforge.net/projects/amiga/files/ixemul.library/48.2/ixemul-src.lha/download" \
   "ixemul-48.2.lha"

bootstrap.conf

@@ -30,6 +30,9 @@ readonly BINUTILS_SRC="${BINUTILS}.tar.gz"
 readonly IXEMUL="ixemul-48.2"
 readonly IXEMUL_SRC="${IXEMUL}.lha"
 
+readonly LIBM="libm-5.4"
+readonly LIBM_SRC="${LIBM}.tar.gz"
+
 readonly LIBNIX="libnix-2.1"
 readonly LIBNIX_SRC="${LIBNIX}.tar.gz"
 

bootstrap.sh

@@ -133,6 +133,10 @@ function unpack_sources {
   mv "libnix" "${LIBNIX}"
   chmod a+x "${LIBNIX}/mkinstalldirs"
 
+  unpack_clean "${LIBM}" "${LIBM_SRC}"
+  mv "contrib/libm" "${LIBM}"
+  rmdir "contrib"
+
   mkdir_empty "${LIBAMIGA}"
   pushd "${LIBAMIGA}"
   tar -xzf "${ARCHIVES}/${LIBAMIGA_SRC}"
@@ -221,8 +225,7 @@ function build_binutils {
   [ -f "${STAMP}/build-binutils" ] && return 0
 
   pushd "${BUILD_DIR}"
-	rm -rf "${BINUTILS}"
-	mkdir -p "${BINUTILS}"
+  mkdir_empty "${BINUTILS}"
   cd "${BINUTILS}"
   "${SOURCES}/${BINUTILS}/configure" \
     --prefix="${PREFIX}" \
@@ -239,8 +242,7 @@ function build_gcc {
   [ -f "${STAMP}/build-gcc" ] && return 0
 
   pushd "${BUILD_DIR}"
-	rm -rf "${GCC}"
-	mkdir -p "${GCC}"
+  mkdir_empty "${GCC}"
   cd "${GCC}"
   "${SOURCES}/${GCC}/configure" \
     --prefix="${PREFIX}" \
@@ -258,10 +260,11 @@ function build_gcc {
 function build_gpp {
   [ -f "${STAMP}/build-gpp" ] && return 0
 
+  local GPP="${GCC/gcc/g++}"
+
   pushd "${BUILD_DIR}"
-	rm -rf "${GCC}"
-	mkdir -p "${GCC}"
-  cd "${GCC}"
+  mkdir_empty "${GPP}"
+  cd "${GPP}"
   "${SOURCES}/${GCC}/configure" \
     --prefix="${PREFIX}" \
     --host="i686-linux-gnu" \
@@ -284,8 +287,7 @@ function process_headers {
   cd "${SFDC}"
   ./configure \
     --prefix="${PREFIX}"
-  make
-	make install
+  make && make install
   popd
 
   pushd "${PREFIX}/include"
@@ -317,8 +319,7 @@ function build_libnix {
   [ -f "${STAMP}/build-libnix" ] && return 0
 
   pushd "${BUILD_DIR}"
-	rm -rf "${LIBNIX}"
-	mkdir -p "${LIBNIX}"
+  mkdir_empty "${LIBNIX}"
   cd "${LIBNIX}"
   "${SOURCES}/${LIBNIX}/configure" \
     --prefix="${PREFIX}" \
@@ -339,12 +340,31 @@ function build_libnix {
   touch "${STAMP}/build-libnix"
 }
 
+function build_libm {
+  [ -f "${STAMP}/build-libm" ] && return 0
+
+  pushd "${BUILD_DIR}"
+  mkdir_empty "${LIBM}"
+  cd "${LIBM}"
+  CC=m68k-amigaos-gcc \
+  AR=m68k-amigaos-ar \
+  CFLAGS="-noixemul" \
+  RANLIB=m68k-amigaos-ranlib \
+	"${SOURCES}/${LIBM}/configure" \
+    --prefix="${PREFIX}" \
+    --host="i686-linux-gnu" \
+    --build="m68k-amigaos"
+  make && make install
+  popd
+
+  touch "${STAMP}/build-libm"
+}
+
 function build_ixemul {
   [ -f "${STAMP}/build-ixemul" ] && return 0
 
   pushd "${BUILD_DIR}"
-	rm -rf "${IXEMUL}"
-	mkdir -p "${IXEMUL}"
+  mkdir_empty "${IXEMUL}"
   cd "${IXEMUL}"
   CC=m68k-amigaos-gcc \
   CFLAGS="-noixemul -I${PREFIX}/include" \
@@ -393,6 +413,7 @@ function build {
   process_headers
   install_libamiga
   build_libnix
+  build_libm
   build_gpp
   build_ixemul
 }