From: PHO <pho@cielonegro.org>
Date: Tue, 6 Mar 2012 00:01:42 +0000 (+0900)
Subject: It turned out that gcc -Os was sufficient to reduce the stage0's .text size under... 
X-Git-Tag: GHC-7.4.1~1^2
X-Git-Url: https://git.cielonegro.org/gitweb.cgi?a=commitdiff_plain;h=af9d73d52d0864b3f8b1ff223e543f9b09e291f7;p=pkgsrc-ghc.git

It turned out that gcc -Os was sufficient to reduce the stage0's .text size under 64 MiB so the costly dead-code elimination was not needed.
---

diff --git a/files/bootstrap-bsd.mk b/files/bootstrap-bsd.mk
index aa46508..6ddd580 100644
--- a/files/bootstrap-bsd.mk
+++ b/files/bootstrap-bsd.mk
@@ -19,3 +19,11 @@ utils/ghc-pkg_dist-install_v_EXTRA_CC_OPTS += -L[[PREFIX]]/lib -lm -liconv -luti
 
 SRC_CC_OPTS += -I[[PREFIX]]/include
 INTEGER_LIBRARY = integer-simple
+
+#   Unregisterised stage0 compiler gets too large (.text section being
+# over 64 MiB) without -Os, exceeding NetBSD/i386's kernel default
+# limitation.
+#   Note that stage1 currently doesn't bloat that much (about 42.6
+# MiB), but when it does we have to append CONF_CC_OPTS_STAGE1="-Os"
+# to CONFIGURE_ENV as well. I guess that's a matter of time :(
+EXTRA_CC_OPTS += -Os
diff --git a/files/bootstrap.mk b/files/bootstrap.mk
index 64f5fd5..e20f79a 100644
--- a/files/bootstrap.mk
+++ b/files/bootstrap.mk
@@ -19,3 +19,9 @@ utils/ghc-pkg_dist-install_v_EXTRA_CC_OPTS += -L[[PREFIX]]/lib -lm -liconv -lncu
 
 SRC_CC_OPTS += -I[[PREFIX]]/include
 INTEGER_LIBRARY = integer-simple
+
+# Unregisterised stage0 compiler runs way too slow without GCC's
+# optimisation. The stage1 (which is also unregisterised) is still
+# slow, but then we have to append CONF_CC_OPTS_STAGE1="-O2" to
+# CONFIGURE_ENV as well.
+EXTRA_CC_OPTS += -O2
diff --git a/stage0.mk b/stage0.mk
index ca96244..d66415a 100644
--- a/stage0.mk
+++ b/stage0.mk
@@ -75,21 +75,7 @@ ${WRKDIR}/stamp-extract-hc: ${WRKDIR}/stamp-configure-hc-boot
 ${WRKDIR}/stamp-rewrite-hc-paths: ${WRKDIR}/stamp-extract-hc
 	${RUN} cd ${WRKDIR}/bootstrap/${DISTNAME} && \
 		${PHASE_MSG} "Rewriting source paths in bootstrapping compiler for ${PKGNAME}" && \
-		${SED} -e "s#\\[\\[PREFIX\\]\\]#${PREFIX}#g" ${BOOTSTRAP_BUILD_MK} > mk/build.mk
-.if ${MACHINE_ARCH} == "i386" && ${OPSYS} == "NetBSD"
-#   Unregisterised stage0 compiler gets too large (.text section being
-# over 64 MiB) without dead-code elimination, exceeding NetBSD/i386's
-# kernel default limitation.
-#   Note that stage1 currently doesn't bloat that much (about 42.6
-# MiB), but when it does we have to append
-# CONF_CC_OPTS_STAGE1="-fdata..." and
-# CONF_GCC_LINKER_OPTS_STAGE1="-Wl,--gc-sections" to CONFIGURE_ENV as
-# well. I guess that's a matter of time :(
-	${RUN} cd ${WRKDIR}/bootstrap/${DISTNAME} && \
-		${ECHO} "EXTRA_CC_OPTS += -fdata-sections -ffunction-sections" >> mk/build.mk && \
-		${ECHO} "EXTRA_CC_OPTS += -Wl,--gc-sections" >> mk/build.mk
-.endif
-	${RUN} cd ${WRKDIR}/bootstrap/${DISTNAME} && \
+		${SED} -e "s#\\[\\[PREFIX\\]\\]#${PREFIX}#g" ${BOOTSTRAP_BUILD_MK} > mk/build.mk && \
 		for c in libraries/*/configure; do \
 			(cd `${DIRNAME} $$c` && ${SETENV} ${CONFIGURE_ENV} ${SH} configure ${CONFIGURE_ARGS}); \
 		done && \