From 5d3621d2d7be8cefd55dd976a5b20b41b4125633 Mon Sep 17 00:00:00 2001
From: bill-auger <mr.j.spam.me@gmail.com>
Date: Mon, 20 Jan 2020 08:31:23 -0500
Subject: [iceweasel]: wip - i686

---
 libre/iceweasel/PKGBUILD | 172 +++++++++++++++++++++++++++--------------------
 1 file changed, 99 insertions(+), 73 deletions(-)

(limited to 'libre/iceweasel')

diff --git a/libre/iceweasel/PKGBUILD b/libre/iceweasel/PKGBUILD
index 0e6ac05eb..d7cc864ba 100644
--- a/libre/iceweasel/PKGBUILD
+++ b/libre/iceweasel/PKGBUILD
@@ -135,15 +135,15 @@ ac_add_options --disable-tests
 ac_add_options --disable-eme
 END
 
-  if [[ $CARCH = armv7h ]]; then
-    # TODO: fixme
-    false
-  fi
-
-  if [[ $CARCH = i686 ]]; then
-    # disable LTO and use gcc toolchain (clang has issues on IA32)
-    export MOZ_SOURCE_CHANGESET="DEVEDITION_${pkgver//./_}_RELEASE"
-    cat >>../mozconfig <<END
+  ## [ARCH-SPECIFIC CONFIG] ##
+  case ${CARCH} in
+    armv7h)
+      error "armv7h support is not implemented" ; return 1 ; # FIXME:
+    ;;
+    i686)
+      # disable LTO and use gcc toolchain (clang has issues on IA32)
+      export MOZ_SOURCE_CHANGESET="DEVEDITION_${pkgver//./_}_RELEASE"
+      cat >>../mozconfig <<END
 ac_add_options --disable-lto
 export CC=gcc
 export CXX=g++
@@ -152,15 +152,23 @@ export NM=gcc-nm
 export RANLIB=gcc-ranlib
 END
 
-    # test failure in rust code (complaining about network functions) when PGO is used,
-    # see https://bugzilla.mozilla.org/show_bug.cgi?id=1565757
-    patch -p1 -i "$srcdir"/rust-static-disable-network-test-on-static-libraries.patch
+      # test failure in rust code (complaining about network functions) when PGO is used,
+      # see https://bugzilla.mozilla.org/show_bug.cgi?id=1565757
+      patch -p1 -i "$srcdir"/rust-static-disable-network-test-on-static-libraries.patch
 
-    # readelf: Error: Unable to seek to 0x801db328 for section headers
-    patch -p1 -i "$srcdir"/avoid-libxul-OOM-python-check.patch
-  fi
+      # readelf: Error: Unable to seek to 0x801db328 for section headers
+      patch -p1 -i "$srcdir"/avoid-libxul-OOM-python-check.patch
+    ;;
+    x86_64)
+    ;;
+    *) error "no [ARCH-SPECIFIC CONFIG] for arch: ${CARCH}" ; return 1 ;
+    ;;
+  esac
 
-  ## Rebranding
+
+  ## branding ##
+
+  msg2 "applying parabola branding"
   local brandingsrcdir="${srcdir}/${pkgname}-${_brandingver}"
   local brandingdestdir=browser/branding/${pkgname}
   rm -rf -- ${brandingdestdir}
@@ -192,12 +200,15 @@ END
       -o "${brandingdestdir}/default$i.png"
   done
 
-  ## Patching
+  # apply branding patches
   export QUILT_PATCHES="${brandingsrcdir}"/patches
   export QUILT_REFRESH_ARGS='-p ab --no-timestamps --no-index'
   export QUILT_DIFF_ARGS='--no-timestamps'
   quilt push -av
 
+
+  ## libre patching ##
+
   # Remove remaining non-free bits
   msg "applying libre.patch"
   patch -Np1 -i "$srcdir/libre.patch"
@@ -236,23 +247,6 @@ build() {
   export MOZ_NOSPAM=1
   export MOZBUILD_STATE_PATH="$srcdir/mozbuild"
 
-  if [[ $CARCH = armv7h ]]; then
-    # TODO: fixme
-    false
-  fi
-
-  if [[ $CARCH = i686 ]]; then
-    # disable LTO and use gcc toolchain (clang has issues on IA32)
-    export RUSTFLAGS+=" -Cdebuginfo=0 -Clto=off"
-    export LDFLAGS+=" -Wl,--no-keep-memory -Wl,--reduce-memory-overheads"
-
-    # avoid excessive debug symbols in rust leading to out-of-memory situations
-    sed -i "s/debug_info = '\''2'\''/debug_info = '\''0'\''/" build/moz.configure/toolchain.configure
-
-    # don't kill build slaves by auto-guessing available CPU cores
-#     export MOZ_MAKE_FLAGS=-j1
-  fi
-
   # LTO needs more open files
   ulimit -n 4096
 
@@ -265,47 +259,70 @@ build() {
   CFLAGS="${CFLAGS/-fvar-tracking-assignments/}"
   CXXFLAGS="${CXXFLAGS/-fvar-tracking-assignments/}"
 
-  # do not do profiling on i686: ..or it will for sure run out of memory - it doesn't find libraries:
-  # "XPCOMGlueLoad error for file /build/firefox/src/firefox-70.0/obj-i686-pc-linux-gnu/dist/firefox/libxul.so:
-  # libmozsandbox.so: cannot open shared object file: No such file or directory
-  # Couldn't load XPCOM."
-  # gcc and cross PGO are not best friends, disable PGO
-  if [[ $CARCH = x86_64 ]]; then
-    # Do 3-tier PGO
-    msg2 "Building instrumented browser..."
-    cat >.mozconfig ../mozconfig - <<END
+  ## [ARCH-SPECIFIC CONFIG] ##
+  case ${CARCH} in
+    armv7h)
+      error "armv7h support is not implemented" ; return 1 ; # FIXME:
+    ;;
+    i686)
+      # do not do profiling on i686: ..or it will for sure run out of memory - it doesn't find libraries:
+      # "XPCOMGlueLoad error for file /build/firefox/src/firefox-70.0/obj-i686-pc-linux-gnu/dist/firefox/libxul.so:
+      # libmozsandbox.so: cannot open shared object file: No such file or directory
+      # Couldn't load XPCOM."
+
+      # disable LTO and use gcc toolchain (clang has issues on IA32)
+      export RUSTFLAGS+=" -Cdebuginfo=0 -Clto=off"
+      export LDFLAGS+=" -Wl,--no-keep-memory -Wl,--reduce-memory-overheads"
+
+      # avoid excessive debug symbols in rust leading to out-of-memory situations
+      sed -i "s/debug_info = '\''2'\''/debug_info = '\''0'\''/" build/moz.configure/toolchain.configure
+
+      # gcc and cross PGO are not best friends, skip PGO "instrumented browser"
+      cp ../mozconfig .mozconfig
+    ;;
+    x86_64)
+      # Do 3-tier PGO
+      msg2 "Building instrumented browser..."
+      cat >.mozconfig ../mozconfig - <<END
 ac_add_options --enable-profile-generate=cross
 END
-    ./mach build
-
-    msg2 "Profiling instrumented browser..."
-    ./mach package
-    LLVM_PROFDATA=llvm-profdata \
-      JARLOG_FILE="$PWD/jarlog" \
-      xvfb-run -a -n 92 -s "-screen 0 1600x1200x24" \
-      ./mach python build/pgo/profileserver.py
-
-    if [[ ! -s merged.profdata ]]; then
-      error "No profile data produced."
-      return 1
-    fi
-
-    if [[ ! -s jarlog ]]; then
-      error "No jar log produced."
-      return 1
-    fi
-
-    msg2 "Removing instrumented browser..."
-    ./mach clobber
-
-    msg2 "Building optimized browser..."
-    cat >.mozconfig ../mozconfig - <<END
+      ./mach build
+
+      msg2 "Profiling instrumented browser..."
+      ./mach package
+      LLVM_PROFDATA=llvm-profdata \
+        JARLOG_FILE="$PWD/jarlog" \
+        xvfb-run -a -n 92 -s "-screen 0 1600x1200x24" \
+        ./mach python build/pgo/profileserver.py
+
+      if [[ ! -s merged.profdata ]]; then
+        error "No profile data produced."
+        return 1
+      fi
+
+      if [[ ! -s jarlog ]]; then
+        error "No jar log produced."
+        return 1
+      fi
+
+      msg2 "Removing instrumented browser..."
+      ./mach clobber
+
+      cat >.mozconfig ../mozconfig - <<END
 ac_add_options --enable-lto=cross
 ac_add_options --enable-profile-use=cross
 ac_add_options --with-pgo-profile-path=${PWD@Q}/merged.profdata
 ac_add_options --with-pgo-jarlog=${PWD@Q}/jarlog
 END
-  fi
+    ;;
+    *) error "no [ARCH-SPECIFIC CONFIG] for arch: ${CARCH}" ; return 1 ;
+    ;;
+  esac
+
+  # sanity check
+  [[ ! -f .mozconfig ]] && error ".mozconfig file not found in source root" && return 1
+
+  msg2 "Building optimized browser..."
   ./mach build
 
   msg2 "Building symbol archive..."
@@ -371,11 +388,20 @@ END
 exec /usr/lib/$pkgname/$pkgname "\$@"
 END
 
-  if [[ $CARCH = i686 ]]; then
-    # libxul.so cannot find it's libraries
-    install -dm 755 "${pkgdir}"/etc/ld.so.conf.d
-    echo "/usr/lib/${pkgname}" > "${pkgdir}"/etc/ld.so.conf.d/${pkgname}.conf
-  fi
+  ## [ARCH-SPECIFIC INSTALL] ##
+  case ${CARCH} in
+    armv7h)
+    ;;
+    i686)
+      # libxul.so cannot find it's libraries
+      install -dm 755 "${pkgdir}"/etc/ld.so.conf.d
+      echo "/usr/lib/${pkgname}" > "${pkgdir}"/etc/ld.so.conf.d/${pkgname}.conf
+    ;;
+    x86_64)
+    ;;
+    *) error "no [ARCH-SPECIFIC INSTALL] for arch: ${CARCH}" ; return 1 ;
+    ;;
+  esac
 
   # Replace duplicate binary with wrapper
   # https://bugzilla.mozilla.org/show_bug.cgi?id=658850
-- 
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