commit 97271ab4577793c2db5a8a9b340a2736aaf784a0 Author: Tom Ritter <tom@mozilla.com> Date: Tue Mar 6 16:40:38 2018 -0600 Bug 1440013 - For MinGW build, pass -Wa,-mbig-obj to solve 'too many sections' errors. r=glandium, a=jcristau MozReview-Commit-ID: 9ObJnrcpeKe --HG-- extra : rebase_source : 074b4f47ef4c578571740606689fe36a20483d1f extra : source : f5c601a739458d391a022bf807149e100eff8aae --- build/autoconf/compiler-opts.m4 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/build/autoconf/compiler-opts.m4 b/build/autoconf/compiler-opts.m4 index 3d9dc5a80032..b8ff219aa5d2 100644 --- a/build/autoconf/compiler-opts.m4 +++ b/build/autoconf/compiler-opts.m4 @@ -123,6 +123,12 @@ if test "$GNU_CC"; then if test -z "$DEVELOPER_OPTIONS"; then CFLAGS="$CFLAGS -ffunction-sections -fdata-sections" CXXFLAGS="$CXXFLAGS -ffunction-sections -fdata-sections" + + # For MinGW, we need big-obj otherwise we create too many sections in Unified builds + if test "${OS_ARCH}" = "WINNT"; then + CFLAGS="$CFLAGS -Wa,-mbig-obj" + CXXFLAGS="$CXXFLAGS -Wa,-mbig-obj" + fi fi CFLAGS="$CFLAGS -fno-math-errno" CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-math-errno"