xtensa-unknown-elf-gcc: add building files based on cross-gcc adapted to users build xtensa-unknown-elf-gcc easily

2 files changed, 231 insertions, 0 deletions

diff --git a/libre/xtensa-unknown-elf-gcc/PKGBUILD b/libre/xtensa-unknown-elf-gcc/PKGBUILD
new file mode 100644
index 000000000..ad02cb0e7
--- /dev/null
+++ b/libre/xtensa-unknown-elf-gcc/PKGBUILD
@@ -0,0 +1,139 @@
+# Maintainer (Arch): Allan McRae <allan@archlinux.org>
+# Maintainer: André Silva <emulatorman@parabola.nu>
+# Maintainer: Márcio Silva <coadde@parabola.nu>
+
+pkgname=xtensa-unknown-elf-gcc
+pkgver=6.2.1
+_pkgver=6
+_islver=0.16.1
+pkgrel=1
+_commit=c2103c17
+pkgdesc="The GNU Compiler Collection"
+arch=('i686' 'x86_64' 'armv7h')
+license=('GPL' 'LGPL' 'FDL' 'custom')
+url="http://gcc.gnu.org"
+makedepends=('binutils>=2.26' 'libmpc' 'doxygen' 'git')
+checkdepends=('dejagnu' 'inetutils')
+options=('!emptydirs')
+source=(git://gcc.gnu.org/git/gcc.git#commit=${_commit}
+        http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
+        gcc-xtensa.patch)
+md5sums=('SKIP'
+         'ac1f25a0677912952718a51f5bc20f32'
+         '5e0f13db1555fd3f70da9642ab180386')
+
+# gcc-6.0 forces a changed triplet - need to address in pacman/devtools
+[[ $CARCH == "x86_64" ]] && CHOST=x86_64-pc-linux-gnu
+
+_libdir="usr/lib/gcc/xtensa-unknown-elf/$pkgver"
+
+prepare() {
+  cd ${srcdir}/gcc
+
+  # link isl for in-tree build
+  ln -s ../isl-${_islver} isl
+
+  # Do not run fixincludes
+  sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in
+
+  # Parabola installs x86_64 libraries /lib
+  [[ $CARCH == "x86_64" ]] && sed -i '/m64=/s/lib64/lib/' gcc/config/i386/t-linux64
+
+  # hack! - some configure tests for header files using "$CPP $CPPFLAGS"
+  sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
+
+  # open-ath9k-htc-firmware patch
+  patch -p1 -i ${srcdir}/gcc-xtensa.patch
+
+  mkdir ${srcdir}/gcc-build
+}
+
+build() {
+  cd ${srcdir}/gcc-build
+
+  # using -pipe causes spurious test-suite failures
+  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48565
+  CFLAGS=${CFLAGS/-pipe/}
+  CXXFLAGS=${CXXFLAGS/-pipe/}
+
+  ${srcdir}/gcc/configure --prefix=/usr \
+      --libdir=/usr/lib --libexecdir=/usr/lib \
+      --mandir=/usr/share/man \
+      --with-bugurl=https://labs.parabola.nu/ \
+      --enable-languages=c,c++,lto \
+      --enable-shared --enable-threads=posix --enable-libmpx \
+      --with-system-zlib --with-isl --enable-__cxa_atexit \
+      --disable-libunwind-exceptions --enable-clocale=gnu \
+      --disable-libstdcxx-pch --disable-libssp \
+      --enable-gnu-unique-object --enable-linker-build-id \
+      --enable-lto --enable-plugin --enable-install-libiberty \
+      --with-linker-hash-style=gnu --enable-gnu-indirect-function \
+      --disable-multilib --disable-werror \
+      --enable-checking=release --disable-nls \
+      --target=xtensa-unknown-elf
+  make all-gcc
+}
+
+package() {
+  pkgdesc="The GNU Compiler Collection - C and C++ frontends"
+  depends=("xtensa-unknown-elf-binutils>=2.26" 'libmpc')
+  groups=('cross-devel')
+  options=('staticlibs')
+
+  cd ${srcdir}/gcc-build
+
+  make -C gcc DESTDIR=${pkgdir} install-driver install-cpp install-gcc-ar \
+    c++.install-common install-headers install-plugin install-lto-wrapper
+
+  install -m755 gcc/gcov $pkgdir/usr/bin/xtensa-unknown-elf-gcov
+  install -m755 -t $pkgdir/${_libdir}/ gcc/{cc1,cc1plus,collect2,lto1}
+
+  make DESTDIR=${pkgdir} install-fixincludes
+  make -C gcc DESTDIR=${pkgdir} install-mkheaders
+  make -C lto-plugin DESTDIR=${pkgdir} install
+
+  make -C gcc DESTDIR=${pkgdir} install-man
+
+  make -C libcpp DESTDIR=${pkgdir} install
+  make -C gcc DESTDIR=${pkgdir} install-po
+
+  # many packages expect this symlink
+  ln -s xtensa-unknown-elf-gcc ${pkgdir}/usr/bin/xtensa-unknown-elf-cc
+
+  # POSIX conformance launcher scripts for c89 and c99
+  cat > $pkgdir/usr/bin/xtensa-unknown-elf-c89 <<"EOF"
+#!/bin/sh
+fl="-std=c89"
+for opt; do
+  case "$opt" in
+    -ansi|-std=c89|-std=iso9899:1990) fl="";;
+    -std=*) echo "`basename $0` called with non ANSI/ISO C option $opt" >&2
+	    exit 1;;
+  esac
+done
+exec gcc $fl ${1+"$@"}
+EOF
+sed -i "s|exec gcc|exec xtensa-unknown-elf-gcc|" $pkgdir/usr/bin/xtensa-unknown-elf-c89
+
+  cat > $pkgdir/usr/bin/xtensa-unknown-elf-c99 <<"EOF"
+#!/bin/sh
+fl="-std=c99"
+for opt; do
+  case "$opt" in
+    -std=c99|-std=iso9899:1999) fl="";;
+    -std=*) echo "`basename $0` called with non ISO C99 option $opt" >&2
+	    exit 1;;
+  esac
+done
+exec gcc $fl ${1+"$@"}
+EOF
+sed -i "s|exec gcc|exec xtensa-unknown-elf-gcc|" $pkgdir/usr/bin/xtensa-unknown-elf-c99
+
+  chmod 755 $pkgdir/usr/bin/xtensa-unknown-elf-c{8,9}9
+
+  # Remove man documents that conflict with host version
+  rm -rf ${pkgdir}/usr/share/man/man7
+
+  # Remove unused dirs
+  rmdir ${pkgdir}/usr/{include,share/info}
+}
diff --git a/libre/xtensa-unknown-elf-gcc/gcc-xtensa.patch b/libre/xtensa-unknown-elf-gcc/gcc-xtensa.patch
new file mode 100644
index 000000000..b26cc568a
--- /dev/null
+++ b/libre/xtensa-unknown-elf-gcc/gcc-xtensa.patch
@@ -0,0 +1,92 @@
+diff --git a/include/xtensa-config.h b/include/xtensa-config.h
+index 5ae4c80..8397564 100644
+--- a/include/xtensa-config.h
++++ b/include/xtensa-config.h
+@@ -43,10 +43,7 @@
+ #define XCHAL_HAVE_L32R			1
+ 
+ #undef XSHAL_USE_ABSOLUTE_LITERALS
+-#define XSHAL_USE_ABSOLUTE_LITERALS	0
+-
+-#undef XSHAL_HAVE_TEXT_SECTION_LITERALS
+-#define XSHAL_HAVE_TEXT_SECTION_LITERALS 1 /* Set if there is some memory that allows both code and literals.  */
++#define XSHAL_USE_ABSOLUTE_LITERALS	1
+ 
+ #undef XCHAL_HAVE_MAC16
+ #define XCHAL_HAVE_MAC16		0
+@@ -58,10 +55,10 @@
+ #define XCHAL_HAVE_MUL32		1
+ 
+ #undef XCHAL_HAVE_MUL32_HIGH
+-#define XCHAL_HAVE_MUL32_HIGH		0
++#define XCHAL_HAVE_MUL32_HIGH		1
+ 
+ #undef XCHAL_HAVE_DIV32
+-#define XCHAL_HAVE_DIV32		1
++#define XCHAL_HAVE_DIV32		0
+ 
+ #undef XCHAL_HAVE_NSA
+ #define XCHAL_HAVE_NSA			1
+@@ -102,8 +99,6 @@
+ #undef XCHAL_HAVE_FP_RSQRT
+ #define XCHAL_HAVE_FP_RSQRT		0
+ 
+-#undef XCHAL_HAVE_DFP_accel
+-#define XCHAL_HAVE_DFP_accel			0
+ #undef XCHAL_HAVE_WINDOWED
+ #define XCHAL_HAVE_WINDOWED		1
+ 
+@@ -118,32 +113,32 @@
+ 
+ 
+ #undef XCHAL_ICACHE_SIZE
+-#define XCHAL_ICACHE_SIZE		16384
++#define XCHAL_ICACHE_SIZE		0
+ 
+ #undef XCHAL_DCACHE_SIZE
+-#define XCHAL_DCACHE_SIZE		16384
++#define XCHAL_DCACHE_SIZE		0
+ 
+ #undef XCHAL_ICACHE_LINESIZE
+-#define XCHAL_ICACHE_LINESIZE		32
++#define XCHAL_ICACHE_LINESIZE		16
+ 
+ #undef XCHAL_DCACHE_LINESIZE
+-#define XCHAL_DCACHE_LINESIZE		32
++#define XCHAL_DCACHE_LINESIZE		16
+ 
+ #undef XCHAL_ICACHE_LINEWIDTH
+-#define XCHAL_ICACHE_LINEWIDTH		5
++#define XCHAL_ICACHE_LINEWIDTH		4
+ 
+ #undef XCHAL_DCACHE_LINEWIDTH
+-#define XCHAL_DCACHE_LINEWIDTH		5
++#define XCHAL_DCACHE_LINEWIDTH		4
+ 
+ #undef XCHAL_DCACHE_IS_WRITEBACK
+-#define XCHAL_DCACHE_IS_WRITEBACK	1
++#define XCHAL_DCACHE_IS_WRITEBACK	0
+ 
+ 
+ #undef XCHAL_HAVE_MMU
+ #define XCHAL_HAVE_MMU			1
+ 
+ #undef XCHAL_MMU_MIN_PTE_PAGE_SIZE
+-#define XCHAL_MMU_MIN_PTE_PAGE_SIZE	12
++#define XCHAL_MMU_MIN_PTE_PAGE_SIZE	29
+ 
+ 
+ #undef XCHAL_HAVE_DEBUG
+@@ -156,8 +151,11 @@
+ #define XCHAL_NUM_DBREAK		2
+ 
+ #undef XCHAL_DEBUGLEVEL
+-#define XCHAL_DEBUGLEVEL		6
++#define XCHAL_DEBUGLEVEL		4
++
+ 
++#undef XCHAL_EXCM_LEVEL
++#define XCHAL_EXCM_LEVEL                3
+ 
+ #undef XCHAL_MAX_INSTRUCTION_SIZE
+ #define XCHAL_MAX_INSTRUCTION_SIZE	3