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build: serialize builds with .NOTPARALLEL to cap RAM and keep stderr … #16

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Merged
vjan-nie merged 1 commit into from
Jul 18, 2026
Merged

build: serialize builds with .NOTPARALLEL to cap RAM and keep stderr … #16

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15 changes: 14 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ NAME = ircserv
CXX = c++
CXXFLAGS = -Wall -Wextra -Werror -std=c++98

.NOTPARALLEL:

SRCDIR = src

# ── Build tiers ────────────────────────────────────────────────────────────
Expand Down Expand Up @@ -88,6 +90,17 @@ bonus:
mandatory:
@$(MAKE) --no-print-directory TIER=mandatory build

# Verify all three tiers in STRICT SEQUENCE — never concurrently. The tier
# marker (obj/.tier_$(TIER)) forces the needed relink between tiers, so no
# fclean is required. This is the safe way to check -Werror across tiers:
# one make invocation, serialized, each capped by MAKEFLAGS above. Building
# tiers in parallel is what OOM-freezes machines; this makes it impossible.
verify-tiers:
@$(MAKE) --no-print-directory mandatory
@$(MAKE) --no-print-directory bonus
@$(MAKE) --no-print-directory all
@echo "\n══════ All three tiers built sequentially (-Werror clean) ══════\n"

build: $(NAME)

# The marker forces a relink when switching tiers (one binary name, three
Expand Down Expand Up @@ -128,4 +141,4 @@ test:
testclean:
@$(MAKE) -C tests fclean

.PHONY: all bonus mandatory build clean fclean re test testclean
.PHONY: all bonus mandatory build clean fclean re test testclean verify-tiers
2 changes: 2 additions & 0 deletions tests/Makefile
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Expand Up @@ -3,6 +3,8 @@
# Compiles with C++17 (required by Google Test 1.16.0)
# ────────────────────────────────────────────────────────────────

.NOTPARALLEL:

NAME = test_runner

CXX = c++
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